19914412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 44561664

約数和(自身を除く): 24647252

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 107, 119, 161, 214, 238, 289, 322, 391, 428, 476, 578, 644, 749, 782, 1156, 1498, 1564, 1819, 2023, 2461, 2737, 2996, 3638, 4046, 4922, 5474, 6647, 7276, 8092, 9844, 10948, 12733, 13294, 17227, 25466, 26588, 30923, 34454, 41837, 46529, 50932, 61846, 68908, 83674, 93058, 123692, 167348, 186116, 216461, 292859, 432922, 585718, 711229, 865844, 1171436, 1422458, 2844916, 4978603, 9957206, 19914412]

約数ペア:

[(1, 19914412), (2, 9957206), (4, 4978603), (7, 2844916), (14, 1422458), (17, 1171436), (23, 865844), (28, 711229), (34, 585718), (46, 432922), (68, 292859), (92, 216461), (107, 186116), (119, 167348), (161, 123692), (214, 93058), (238, 83674), (289, 68908), (322, 61846), (391, 50932), (428, 46529), (476, 41837), (578, 34454), (644, 30923), (749, 26588), (782, 25466), (1156, 17227), (1498, 13294), (1564, 12733), (1819, 10948), (2023, 9844), (2461, 8092), (2737, 7276), (2996, 6647), (3638, 5474), (4046, 4922)]