19344620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 43013376

約数和(自身を除く): 23668756

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 761, 820, 1271, 1522, 2542, 3044, 3805, 5084, 6355, 7610, 12710, 15220, 23591, 25420, 31201, 47182, 62402, 94364, 117955, 124804, 156005, 235910, 312010, 471820, 624020, 967231, 1934462, 3868924, 4836155, 9672310, 19344620]

約数ペア:

[(1, 19344620), (2, 9672310), (4, 4836155), (5, 3868924), (10, 1934462), (20, 967231), (31, 624020), (41, 471820), (62, 312010), (82, 235910), (124, 156005), (155, 124804), (164, 117955), (205, 94364), (310, 62402), (410, 47182), (620, 31201), (761, 25420), (820, 23591), (1271, 15220), (1522, 12710), (2542, 7610), (3044, 6355), (3805, 5084)]