18871290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 30425958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 307, 614, 683, 921, 1366, 1535, 1842, 2049, 2763, 3070, 3415, 4098, 4605, 5526, 6147, 6830, 9210, 10245, 12294, 13815, 20490, 27630, 30735, 61470, 209681, 419362, 629043, 1048405, 1258086, 1887129, 2096810, 3145215, 3774258, 6290430, 9435645, 18871290]

約数ペア:

[(1, 18871290), (2, 9435645), (3, 6290430), (5, 3774258), (6, 3145215), (9, 2096810), (10, 1887129), (15, 1258086), (18, 1048405), (30, 629043), (45, 419362), (90, 209681), (307, 61470), (614, 30735), (683, 27630), (921, 20490), (1366, 13815), (1535, 12294), (1842, 10245), (2049, 9210), (2763, 6830), (3070, 6147), (3415, 5526), (4098, 4605)]