19875216

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 57448704

約数和(自身を除く): 37573488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 37, 38, 48, 57, 62, 74, 76, 93, 111, 114, 124, 148, 152, 186, 222, 228, 248, 296, 304, 361, 372, 444, 456, 496, 589, 592, 703, 722, 744, 888, 912, 1083, 1147, 1178, 1406, 1444, 1488, 1767, 1776, 2109, 2166, 2294, 2356, 2812, 2888, 3441, 3534, 4218, 4332, 4588, 4712, 5624, 5776, 6882, 7068, 8436, 8664, 9176, 9424, 11191, 11248, 13357, 13764, 14136, 16872, 17328, 18352, 21793, 22382, 26714, 27528, 28272, 33573, 33744, 40071, 43586, 44764, 53428, 55056, 65379, 67146, 80142, 87172, 89528, 106856, 130758, 134292, 160284, 174344, 179056, 213712, 261516, 268584, 320568, 348688, 414067, 523032, 537168, 641136, 828134, 1046064, 1242201, 1656268, 2484402, 3312536, 4968804, 6625072, 9937608, 19875216]

約数ペア:

[(1, 19875216), (2, 9937608), (3, 6625072), (4, 4968804), (6, 3312536), (8, 2484402), (12, 1656268), (16, 1242201), (19, 1046064), (24, 828134), (31, 641136), (37, 537168), (38, 523032), (48, 414067), (57, 348688), (62, 320568), (74, 268584), (76, 261516), (93, 213712), (111, 179056), (114, 174344), (124, 160284), (148, 134292), (152, 130758), (186, 106856), (222, 89528), (228, 87172), (248, 80142), (296, 67146), (304, 65379), (361, 55056), (372, 53428), (444, 44764), (456, 43586), (496, 40071), (589, 33744), (592, 33573), (703, 28272), (722, 27528), (744, 26714), (888, 22382), (912, 21793), (1083, 18352), (1147, 17328), (1178, 16872), (1406, 14136), (1444, 13764), (1488, 13357), (1767, 11248), (1776, 11191), (2109, 9424), (2166, 9176), (2294, 8664), (2356, 8436), (2812, 7068), (2888, 6882), (3441, 5776), (3534, 5624), (4218, 4712), (4332, 4588)]