16381944

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 45771960

約数和(自身を除く): 29390016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 103, 141, 188, 206, 282, 309, 376, 412, 423, 564, 618, 824, 846, 927, 1128, 1236, 1692, 1854, 2209, 2472, 3384, 3708, 4418, 4841, 6627, 7416, 8836, 9682, 13254, 14523, 17672, 19364, 19881, 26508, 29046, 38728, 39762, 43569, 53016, 58092, 79524, 87138, 116184, 159048, 174276, 227527, 348552, 455054, 682581, 910108, 1365162, 1820216, 2047743, 2730324, 4095486, 5460648, 8190972, 16381944]

約数ペア:

[(1, 16381944), (2, 8190972), (3, 5460648), (4, 4095486), (6, 2730324), (8, 2047743), (9, 1820216), (12, 1365162), (18, 910108), (24, 682581), (36, 455054), (47, 348552), (72, 227527), (94, 174276), (103, 159048), (141, 116184), (188, 87138), (206, 79524), (282, 58092), (309, 53016), (376, 43569), (412, 39762), (423, 38728), (564, 29046), (618, 26508), (824, 19881), (846, 19364), (927, 17672), (1128, 14523), (1236, 13254), (1692, 9682), (1854, 8836), (2209, 7416), (2472, 6627), (3384, 4841), (3708, 4418)]