19194028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 40902400

約数和(自身を除く): 21708372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 331, 436, 532, 662, 763, 1324, 1526, 2071, 2317, 3052, 4142, 4634, 6289, 8284, 9268, 12578, 14497, 25156, 28994, 36079, 44023, 57988, 72158, 88046, 144316, 176092, 252553, 505106, 685501, 1010212, 1371002, 2742004, 4798507, 9597014, 19194028]

約数ペア:

[(1, 19194028), (2, 9597014), (4, 4798507), (7, 2742004), (14, 1371002), (19, 1010212), (28, 685501), (38, 505106), (76, 252553), (109, 176092), (133, 144316), (218, 88046), (266, 72158), (331, 57988), (436, 44023), (532, 36079), (662, 28994), (763, 25156), (1324, 14497), (1526, 12578), (2071, 9268), (2317, 8284), (3052, 6289), (4142, 4634)]