19891450236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{9431}}^1$

素因数の和:9680

約数の個数: 144

約数和(自身を含む): 57444049152

約数和(自身を除く): 37552598916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 211, 238, 294, 357, 422, 476, 588, 633, 714, 833, 844, 1266, 1428, 1477, 1666, 2499, 2532, 2954, 3332, 3587, 4431, 4998, 5908, 7174, 8862, 9431, 9996, 10339, 10761, 14348, 17724, 18862, 20678, 21522, 25109, 28293, 31017, 37724, 41356, 43044, 50218, 56586, 62034, 66017, 75327, 100436, 113172, 124068, 132034, 150654, 160327, 175763, 198051, 264068, 301308, 320654, 351526, 396102, 462119, 480981, 527289, 641308, 703052, 792204, 924238, 961962, 1054578, 1122289, 1386357, 1848476, 1923924, 1989941, 2109156, 2244578, 2772714, 3366867, 3979882, 4489156, 5545428, 5969823, 6733734, 7856023, 7959764, 11939646, 13467468, 13929587, 15712046, 23568069, 23879292, 27859174, 31424092, 33828997, 41788761, 47136138, 55718348, 67657994, 83577522, 94272276, 97507109, 101486991, 135315988, 167155044, 195014218, 202973982, 236802979, 292521327, 390028436, 405947964, 473605958, 585042654, 710408937, 947211916, 1170085308, 1420817874, 1657620853, 2841635748, 3315241706, 4972862559, 6630483412, 9945725118, 19891450236]

約数ペア:

[(1, 19891450236), (2, 9945725118), (3, 6630483412), (4, 4972862559), (6, 3315241706), (7, 2841635748), (12, 1657620853), (14, 1420817874), (17, 1170085308), (21, 947211916), (28, 710408937), (34, 585042654), (42, 473605958), (49, 405947964), (51, 390028436), (68, 292521327), (84, 236802979), (98, 202973982), (102, 195014218), (119, 167155044), (147, 135315988), (196, 101486991), (204, 97507109), (211, 94272276), (238, 83577522), (294, 67657994), (357, 55718348), (422, 47136138), (476, 41788761), (588, 33828997), (633, 31424092), (714, 27859174), (833, 23879292), (844, 23568069), (1266, 15712046), (1428, 13929587), (1477, 13467468), (1666, 11939646), (2499, 7959764), (2532, 7856023), (2954, 6733734), (3332, 5969823), (3587, 5545428), (4431, 4489156), (4998, 3979882), (5908, 3366867), (7174, 2772714), (8862, 2244578), (9431, 2109156), (9996, 1989941), (10339, 1923924), (10761, 1848476), (14348, 1386357), (17724, 1122289), (18862, 1054578), (20678, 961962), (21522, 924238), (25109, 792204), (28293, 703052), (31017, 641308), (37724, 527289), (41356, 480981), (43044, 462119), (50218, 396102), (56586, 351526), (62034, 320654), (66017, 301308), (75327, 264068), (100436, 198051), (113172, 175763), (124068, 160327), (132034, 150654)]