18920070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 53831232

約数和(自身を除く): 34911162

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 103, 117, 130, 157, 195, 206, 234, 309, 314, 390, 471, 515, 585, 618, 785, 927, 942, 1030, 1170, 1339, 1413, 1545, 1570, 1854, 2041, 2355, 2678, 2826, 3090, 4017, 4082, 4635, 4710, 6123, 6695, 7065, 8034, 9270, 10205, 12051, 12246, 13390, 14130, 16171, 18369, 20085, 20410, 24102, 30615, 32342, 36738, 40170, 48513, 60255, 61230, 80855, 91845, 97026, 120510, 145539, 161710, 183690, 210223, 242565, 291078, 420446, 485130, 630669, 727695, 1051115, 1261338, 1455390, 1892007, 2102230, 3153345, 3784014, 6306690, 9460035, 18920070]

約数ペア:

[(1, 18920070), (2, 9460035), (3, 6306690), (5, 3784014), (6, 3153345), (9, 2102230), (10, 1892007), (13, 1455390), (15, 1261338), (18, 1051115), (26, 727695), (30, 630669), (39, 485130), (45, 420446), (65, 291078), (78, 242565), (90, 210223), (103, 183690), (117, 161710), (130, 145539), (157, 120510), (195, 97026), (206, 91845), (234, 80855), (309, 61230), (314, 60255), (390, 48513), (471, 40170), (515, 36738), (585, 32342), (618, 30615), (785, 24102), (927, 20410), (942, 20085), (1030, 18369), (1170, 16171), (1339, 14130), (1413, 13390), (1545, 12246), (1570, 12051), (1854, 10205), (2041, 9270), (2355, 8034), (2678, 7065), (2826, 6695), (3090, 6123), (4017, 4710), (4082, 4635)]