18649530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 51068160

約数和(自身を除く): 32418630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 61, 79, 86, 90, 122, 129, 158, 183, 215, 237, 258, 305, 366, 387, 395, 430, 474, 549, 610, 645, 711, 774, 790, 915, 1098, 1185, 1290, 1422, 1830, 1935, 2370, 2623, 2745, 3397, 3555, 3870, 4819, 5246, 5490, 6794, 7110, 7869, 9638, 10191, 13115, 14457, 15738, 16985, 20382, 23607, 24095, 26230, 28914, 30573, 33970, 39345, 43371, 47214, 48190, 50955, 61146, 72285, 78690, 86742, 101910, 118035, 144570, 152865, 207217, 216855, 236070, 305730, 414434, 433710, 621651, 1036085, 1243302, 1864953, 2072170, 3108255, 3729906, 6216510, 9324765, 18649530]

約数ペア:

[(1, 18649530), (2, 9324765), (3, 6216510), (5, 3729906), (6, 3108255), (9, 2072170), (10, 1864953), (15, 1243302), (18, 1036085), (30, 621651), (43, 433710), (45, 414434), (61, 305730), (79, 236070), (86, 216855), (90, 207217), (122, 152865), (129, 144570), (158, 118035), (183, 101910), (215, 86742), (237, 78690), (258, 72285), (305, 61146), (366, 50955), (387, 48190), (395, 47214), (430, 43371), (474, 39345), (549, 33970), (610, 30573), (645, 28914), (711, 26230), (774, 24095), (790, 23607), (915, 20382), (1098, 16985), (1185, 15738), (1290, 14457), (1422, 13115), (1830, 10191), (1935, 9638), (2370, 7869), (2623, 7110), (2745, 6794), (3397, 5490), (3555, 5246), (3870, 4819)]