19515888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1059

約数の個数: 120

約数和(自身を含む): 65769600

約数和(自身を除く): 46253712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1019, 1064, 1197, 1368, 1596, 2038, 2128, 2394, 2736, 3057, 3192, 4076, 4788, 6114, 6384, 7133, 8152, 9171, 9576, 12228, 14266, 16304, 18342, 19152, 19361, 21399, 24456, 28532, 36684, 38722, 42798, 48912, 57064, 58083, 64197, 73368, 77444, 85596, 114128, 116166, 128394, 135527, 146736, 154888, 171192, 174249, 232332, 256788, 271054, 309776, 342384, 348498, 406581, 464664, 513576, 542108, 696996, 813162, 929328, 1027152, 1084216, 1219743, 1393992, 1626324, 2168432, 2439486, 2787984, 3252648, 4878972, 6505296, 9757944, 19515888]

約数ペア:

[(1, 19515888), (2, 9757944), (3, 6505296), (4, 4878972), (6, 3252648), (7, 2787984), (8, 2439486), (9, 2168432), (12, 1626324), (14, 1393992), (16, 1219743), (18, 1084216), (19, 1027152), (21, 929328), (24, 813162), (28, 696996), (36, 542108), (38, 513576), (42, 464664), (48, 406581), (56, 348498), (57, 342384), (63, 309776), (72, 271054), (76, 256788), (84, 232332), (112, 174249), (114, 171192), (126, 154888), (133, 146736), (144, 135527), (152, 128394), (168, 116166), (171, 114128), (228, 85596), (252, 77444), (266, 73368), (304, 64197), (336, 58083), (342, 57064), (399, 48912), (456, 42798), (504, 38722), (532, 36684), (684, 28532), (798, 24456), (912, 21399), (1008, 19361), (1019, 19152), (1064, 18342), (1197, 16304), (1368, 14266), (1596, 12228), (2038, 9576), (2128, 9171), (2394, 8152), (2736, 7133), (3057, 6384), (3192, 6114), (4076, 4788)]