19742940112

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89891}}^1$

素因数の和:89996

約数の個数: 80

約数和(自身を含む): 45745679232

約数和(自身を除く): 26002739120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 53, 56, 74, 106, 112, 148, 212, 259, 296, 371, 424, 518, 592, 742, 848, 1036, 1484, 1961, 2072, 2968, 3922, 4144, 5936, 7844, 13727, 15688, 27454, 31376, 54908, 89891, 109816, 179782, 219632, 359564, 629237, 719128, 1258474, 1438256, 2516948, 3325967, 4764223, 5033896, 6651934, 9528446, 10067792, 13303868, 19056892, 23281769, 26607736, 33349561, 38113784, 46563538, 53215472, 66699122, 76227568, 93127076, 133398244, 176276251, 186254152, 266796488, 352552502, 372508304, 533592976, 705105004, 1233933757, 1410210008, 2467867514, 2820420016, 4935735028, 9871470056, 19742940112]

約数ペア:

[(1, 19742940112), (2, 9871470056), (4, 4935735028), (7, 2820420016), (8, 2467867514), (14, 1410210008), (16, 1233933757), (28, 705105004), (37, 533592976), (53, 372508304), (56, 352552502), (74, 266796488), (106, 186254152), (112, 176276251), (148, 133398244), (212, 93127076), (259, 76227568), (296, 66699122), (371, 53215472), (424, 46563538), (518, 38113784), (592, 33349561), (742, 26607736), (848, 23281769), (1036, 19056892), (1484, 13303868), (1961, 10067792), (2072, 9528446), (2968, 6651934), (3922, 5033896), (4144, 4764223), (5936, 3325967), (7844, 2516948), (13727, 1438256), (15688, 1258474), (27454, 719128), (31376, 629237), (54908, 359564), (89891, 219632), (109816, 179782)]