19881432

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 58687200

約数和(自身を除く): 38805768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 37, 51, 68, 72, 74, 102, 111, 136, 148, 153, 204, 222, 296, 306, 333, 408, 439, 444, 612, 629, 666, 878, 888, 1224, 1258, 1317, 1332, 1756, 1887, 2516, 2634, 2664, 3512, 3774, 3951, 5032, 5268, 5661, 7463, 7548, 7902, 10536, 11322, 14926, 15096, 15804, 16243, 22389, 22644, 29852, 31608, 32486, 44778, 45288, 48729, 59704, 64972, 67167, 89556, 97458, 129944, 134334, 146187, 179112, 194916, 268668, 276131, 292374, 389832, 537336, 552262, 584748, 828393, 1104524, 1169496, 1656786, 2209048, 2485179, 3313572, 4970358, 6627144, 9940716, 19881432]

約数ペア:

[(1, 19881432), (2, 9940716), (3, 6627144), (4, 4970358), (6, 3313572), (8, 2485179), (9, 2209048), (12, 1656786), (17, 1169496), (18, 1104524), (24, 828393), (34, 584748), (36, 552262), (37, 537336), (51, 389832), (68, 292374), (72, 276131), (74, 268668), (102, 194916), (111, 179112), (136, 146187), (148, 134334), (153, 129944), (204, 97458), (222, 89556), (296, 67167), (306, 64972), (333, 59704), (408, 48729), (439, 45288), (444, 44778), (612, 32486), (629, 31608), (666, 29852), (878, 22644), (888, 22389), (1224, 16243), (1258, 15804), (1317, 15096), (1332, 14926), (1756, 11322), (1887, 10536), (2516, 7902), (2634, 7548), (2664, 7463), (3512, 5661), (3774, 5268), (3951, 5032)]