18350540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 41851488

約数和(自身を除く): 23500948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 433, 652, 815, 866, 1630, 1732, 2119, 2165, 3260, 4238, 4330, 5629, 8476, 8660, 10595, 11258, 21190, 22516, 28145, 42380, 56290, 70579, 112580, 141158, 282316, 352895, 705790, 917527, 1411580, 1835054, 3670108, 4587635, 9175270, 18350540]

約数ペア:

[(1, 18350540), (2, 9175270), (4, 4587635), (5, 3670108), (10, 1835054), (13, 1411580), (20, 917527), (26, 705790), (52, 352895), (65, 282316), (130, 141158), (163, 112580), (260, 70579), (326, 56290), (433, 42380), (652, 28145), (815, 22516), (866, 21190), (1630, 11258), (1732, 10595), (2119, 8660), (2165, 8476), (3260, 5629), (4238, 4330)]