18991530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2316

約数の個数: 64

約数和(自身を含む): 52300800

約数和(自身を除く): 33309270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2269, 2790, 4185, 4538, 6807, 8370, 11345, 13614, 20421, 22690, 34035, 40842, 61263, 68070, 70339, 102105, 122526, 140678, 204210, 211017, 306315, 351695, 422034, 612630, 633051, 703390, 1055085, 1266102, 1899153, 2110170, 3165255, 3798306, 6330510, 9495765, 18991530]

約数ペア:

[(1, 18991530), (2, 9495765), (3, 6330510), (5, 3798306), (6, 3165255), (9, 2110170), (10, 1899153), (15, 1266102), (18, 1055085), (27, 703390), (30, 633051), (31, 612630), (45, 422034), (54, 351695), (62, 306315), (90, 211017), (93, 204210), (135, 140678), (155, 122526), (186, 102105), (270, 70339), (279, 68070), (310, 61263), (465, 40842), (558, 34035), (837, 22690), (930, 20421), (1395, 13614), (1674, 11345), (2269, 8370), (2790, 6807), (4185, 4538)]