18808728

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30439272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 59, 74, 111, 118, 148, 177, 222, 236, 296, 354, 359, 444, 472, 708, 718, 888, 1077, 1416, 1436, 2154, 2183, 2872, 4308, 4366, 6549, 8616, 8732, 13098, 13283, 17464, 21181, 26196, 26566, 39849, 42362, 52392, 53132, 63543, 79698, 84724, 106264, 127086, 159396, 169448, 254172, 318792, 508344, 783697, 1567394, 2351091, 3134788, 4702182, 6269576, 9404364, 18808728]

約数ペア:

[(1, 18808728), (2, 9404364), (3, 6269576), (4, 4702182), (6, 3134788), (8, 2351091), (12, 1567394), (24, 783697), (37, 508344), (59, 318792), (74, 254172), (111, 169448), (118, 159396), (148, 127086), (177, 106264), (222, 84724), (236, 79698), (296, 63543), (354, 53132), (359, 52392), (444, 42362), (472, 39849), (708, 26566), (718, 26196), (888, 21181), (1077, 17464), (1416, 13283), (1436, 13098), (2154, 8732), (2183, 8616), (2872, 6549), (4308, 4366)]