19557840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4324

約数の個数: 80

約数和(自身を含む): 63835200

約数和(自身を除く): 44277360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4289, 4560, 8578, 12867, 17156, 21445, 25734, 34312, 42890, 51468, 64335, 68624, 81491, 85780, 102936, 128670, 162982, 171560, 205872, 244473, 257340, 325964, 343120, 407455, 488946, 514680, 651928, 814910, 977892, 1029360, 1222365, 1303856, 1629820, 1955784, 2444730, 3259640, 3911568, 4889460, 6519280, 9778920, 19557840]

約数ペア:

[(1, 19557840), (2, 9778920), (3, 6519280), (4, 4889460), (5, 3911568), (6, 3259640), (8, 2444730), (10, 1955784), (12, 1629820), (15, 1303856), (16, 1222365), (19, 1029360), (20, 977892), (24, 814910), (30, 651928), (38, 514680), (40, 488946), (48, 407455), (57, 343120), (60, 325964), (76, 257340), (80, 244473), (95, 205872), (114, 171560), (120, 162982), (152, 128670), (190, 102936), (228, 85780), (240, 81491), (285, 68624), (304, 64335), (380, 51468), (456, 42890), (570, 34312), (760, 25734), (912, 21445), (1140, 17156), (1520, 12867), (2280, 8578), (4289, 4560)]