19135740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24533}}^1$

素因数の和:24558

約数の個数: 48

約数和(自身を含む): 57703968

約数和(自身を除く): 38568228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24533, 49066, 73599, 98132, 122665, 147198, 245330, 294396, 318929, 367995, 490660, 637858, 735990, 956787, 1275716, 1471980, 1594645, 1913574, 3189290, 3827148, 4783935, 6378580, 9567870, 19135740]

約数ペア:

[(1, 19135740), (2, 9567870), (3, 6378580), (4, 4783935), (5, 3827148), (6, 3189290), (10, 1913574), (12, 1594645), (13, 1471980), (15, 1275716), (20, 956787), (26, 735990), (30, 637858), (39, 490660), (52, 367995), (60, 318929), (65, 294396), (78, 245330), (130, 147198), (156, 122665), (195, 98132), (260, 73599), (390, 49066), (780, 24533)]