20181618

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 46829016

約数和(自身を除く): 26647398

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 101, 102, 153, 202, 303, 306, 606, 653, 909, 1306, 1717, 1818, 1959, 3434, 3918, 5151, 5877, 10302, 11101, 11754, 15453, 22202, 30906, 33303, 65953, 66606, 99909, 131906, 197859, 199818, 395718, 593577, 1121201, 1187154, 2242402, 3363603, 6727206, 10090809, 20181618]

約数ペア:

[(1, 20181618), (2, 10090809), (3, 6727206), (6, 3363603), (9, 2242402), (17, 1187154), (18, 1121201), (34, 593577), (51, 395718), (101, 199818), (102, 197859), (153, 131906), (202, 99909), (303, 66606), (306, 65953), (606, 33303), (653, 30906), (909, 22202), (1306, 15453), (1717, 11754), (1818, 11101), (1959, 10302), (3434, 5877), (3918, 5151)]