18038358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 42443856

約数和(自身を除く): 24405498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 491, 942, 982, 1413, 1473, 2041, 2826, 2946, 4082, 4419, 6123, 6383, 8838, 12246, 12766, 18369, 19149, 36738, 38298, 57447, 77087, 114894, 154174, 231261, 462522, 693783, 1002131, 1387566, 2004262, 3006393, 6012786, 9019179, 18038358]

約数ペア:

[(1, 18038358), (2, 9019179), (3, 6012786), (6, 3006393), (9, 2004262), (13, 1387566), (18, 1002131), (26, 693783), (39, 462522), (78, 231261), (117, 154174), (157, 114894), (234, 77087), (314, 57447), (471, 38298), (491, 36738), (942, 19149), (982, 18369), (1413, 12766), (1473, 12246), (2041, 8838), (2826, 6383), (2946, 6123), (4082, 4419)]