19293990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 48764160

約数和(自身を除く): 29470170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 67, 87, 134, 145, 174, 201, 290, 331, 335, 402, 435, 662, 670, 870, 993, 1005, 1655, 1943, 1986, 2010, 3310, 3886, 4965, 5829, 9599, 9715, 9930, 11658, 19198, 19430, 22177, 28797, 29145, 44354, 47995, 57594, 58290, 66531, 95990, 110885, 133062, 143985, 221770, 287970, 332655, 643133, 665310, 1286266, 1929399, 3215665, 3858798, 6431330, 9646995, 19293990]

約数ペア:

[(1, 19293990), (2, 9646995), (3, 6431330), (5, 3858798), (6, 3215665), (10, 1929399), (15, 1286266), (29, 665310), (30, 643133), (58, 332655), (67, 287970), (87, 221770), (134, 143985), (145, 133062), (174, 110885), (201, 95990), (290, 66531), (331, 58290), (335, 57594), (402, 47995), (435, 44354), (662, 29145), (670, 28797), (870, 22177), (993, 19430), (1005, 19198), (1655, 11658), (1943, 9930), (1986, 9715), (2010, 9599), (3310, 5829), (3886, 4965)]