19811243862

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1221559}}^1$

素因数の和:1221637

約数の個数: 48

約数和(自身を含む): 46306896480

約数和(自身を除く): 26495652618

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1802, 2703, 5406, 8109, 16218, 1221559, 2443118, 3664677, 7329354, 10994031, 20766503, 21988062, 41533006, 62299509, 64742627, 124599018, 129485254, 186898527, 194227881, 373797054, 388455762, 582683643, 1100624659, 1165367286, 2201249318, 3301873977, 6603747954, 9905621931, 19811243862]

約数ペア:

[(1, 19811243862), (2, 9905621931), (3, 6603747954), (6, 3301873977), (9, 2201249318), (17, 1165367286), (18, 1100624659), (34, 582683643), (51, 388455762), (53, 373797054), (102, 194227881), (106, 186898527), (153, 129485254), (159, 124599018), (306, 64742627), (318, 62299509), (477, 41533006), (901, 21988062), (954, 20766503), (1802, 10994031), (2703, 7329354), (5406, 3664677), (8109, 2443118), (16218, 1221559)]