19911792

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 33656208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 79, 89, 118, 158, 177, 178, 236, 237, 267, 316, 354, 356, 472, 474, 534, 632, 708, 712, 944, 948, 1068, 1264, 1416, 1424, 1896, 2136, 2832, 3792, 4272, 4661, 5251, 7031, 9322, 10502, 13983, 14062, 15753, 18644, 21004, 21093, 27966, 28124, 31506, 37288, 42008, 42186, 55932, 56248, 63012, 74576, 84016, 84372, 111864, 112496, 126024, 168744, 223728, 252048, 337488, 414829, 829658, 1244487, 1659316, 2488974, 3318632, 4977948, 6637264, 9955896, 19911792]

約数ペア:

[(1, 19911792), (2, 9955896), (3, 6637264), (4, 4977948), (6, 3318632), (8, 2488974), (12, 1659316), (16, 1244487), (24, 829658), (48, 414829), (59, 337488), (79, 252048), (89, 223728), (118, 168744), (158, 126024), (177, 112496), (178, 111864), (236, 84372), (237, 84016), (267, 74576), (316, 63012), (354, 56248), (356, 55932), (472, 42186), (474, 42008), (534, 37288), (632, 31506), (708, 28124), (712, 27966), (944, 21093), (948, 21004), (1068, 18644), (1264, 15753), (1416, 14062), (1424, 13983), (1896, 10502), (2136, 9322), (2832, 7031), (3792, 5251), (4272, 4661)]