18857712

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3141

約数の個数: 40

約数和(自身を含む): 49104000

約数和(自身を除く): 30246288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 2999, 3144, 5998, 6288, 8997, 11996, 17994, 23992, 35988, 47984, 71976, 143952, 392869, 785738, 1178607, 1571476, 2357214, 3142952, 4714428, 6285904, 9428856, 18857712]

約数ペア:

[(1, 18857712), (2, 9428856), (3, 6285904), (4, 4714428), (6, 3142952), (8, 2357214), (12, 1571476), (16, 1178607), (24, 785738), (48, 392869), (131, 143952), (262, 71976), (393, 47984), (524, 35988), (786, 23992), (1048, 17994), (1572, 11996), (2096, 8997), (2999, 6288), (3144, 5998)]