18687270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 55240704

約数和(自身を除く): 36553434

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 53, 69, 70, 73, 105, 106, 115, 138, 146, 159, 161, 210, 219, 230, 265, 318, 322, 345, 365, 371, 438, 483, 511, 530, 690, 730, 742, 795, 805, 966, 1022, 1095, 1113, 1219, 1533, 1590, 1610, 1679, 1855, 2190, 2226, 2415, 2438, 2555, 3066, 3358, 3657, 3710, 3869, 4830, 5037, 5110, 5565, 6095, 7314, 7665, 7738, 8395, 8533, 10074, 11130, 11607, 11753, 12190, 15330, 16790, 17066, 18285, 19345, 23214, 23506, 25185, 25599, 27083, 35259, 36570, 38690, 42665, 50370, 51198, 54166, 58035, 58765, 70518, 81249, 85330, 88987, 116070, 117530, 127995, 135415, 162498, 176295, 177974, 255990, 266961, 270830, 352590, 406245, 444935, 533922, 622909, 812490, 889870, 1245818, 1334805, 1868727, 2669610, 3114545, 3737454, 6229090, 9343635, 18687270]

約数ペア:

[(1, 18687270), (2, 9343635), (3, 6229090), (5, 3737454), (6, 3114545), (7, 2669610), (10, 1868727), (14, 1334805), (15, 1245818), (21, 889870), (23, 812490), (30, 622909), (35, 533922), (42, 444935), (46, 406245), (53, 352590), (69, 270830), (70, 266961), (73, 255990), (105, 177974), (106, 176295), (115, 162498), (138, 135415), (146, 127995), (159, 117530), (161, 116070), (210, 88987), (219, 85330), (230, 81249), (265, 70518), (318, 58765), (322, 58035), (345, 54166), (365, 51198), (371, 50370), (438, 42665), (483, 38690), (511, 36570), (530, 35259), (690, 27083), (730, 25599), (742, 25185), (795, 23506), (805, 23214), (966, 19345), (1022, 18285), (1095, 17066), (1113, 16790), (1219, 15330), (1533, 12190), (1590, 11753), (1610, 11607), (1679, 11130), (1855, 10074), (2190, 8533), (2226, 8395), (2415, 7738), (2438, 7665), (2555, 7314), (3066, 6095), (3358, 5565), (3657, 5110), (3710, 5037), (3869, 4830)]