18945030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 50577408

約数和(自身を除く): 31632378

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1567, 2015, 2418, 3134, 4030, 4701, 6045, 7835, 9402, 12090, 15670, 20371, 23505, 40742, 47010, 48577, 61113, 97154, 101855, 122226, 145731, 203710, 242885, 291462, 305565, 485770, 611130, 631501, 728655, 1263002, 1457310, 1894503, 3157505, 3789006, 6315010, 9472515, 18945030]

約数ペア:

[(1, 18945030), (2, 9472515), (3, 6315010), (5, 3789006), (6, 3157505), (10, 1894503), (13, 1457310), (15, 1263002), (26, 728655), (30, 631501), (31, 611130), (39, 485770), (62, 305565), (65, 291462), (78, 242885), (93, 203710), (130, 145731), (155, 122226), (186, 101855), (195, 97154), (310, 61113), (390, 48577), (403, 47010), (465, 40742), (806, 23505), (930, 20371), (1209, 15670), (1567, 12090), (2015, 9402), (2418, 7835), (3134, 6045), (4030, 4701)]