18948064

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 40216176

約数和(自身を除く): 21268112

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 571, 976, 1037, 1142, 1952, 2074, 2284, 4148, 4568, 8296, 9136, 9707, 16592, 18272, 19414, 33184, 34831, 38828, 69662, 77656, 139324, 155312, 278648, 310624, 557296, 592127, 1114592, 1184254, 2368508, 4737016, 9474032, 18948064]

約数ペア:

[(1, 18948064), (2, 9474032), (4, 4737016), (8, 2368508), (16, 1184254), (17, 1114592), (32, 592127), (34, 557296), (61, 310624), (68, 278648), (122, 155312), (136, 139324), (244, 77656), (272, 69662), (488, 38828), (544, 34831), (571, 33184), (976, 19414), (1037, 18272), (1142, 16592), (1952, 9707), (2074, 9136), (2284, 8296), (4148, 4568)]