18685764

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 49107968

約数和(自身を除く): 30422204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 67, 122, 127, 134, 183, 201, 244, 254, 268, 366, 381, 402, 508, 549, 603, 732, 762, 804, 1098, 1143, 1206, 1524, 2196, 2286, 2412, 4087, 4572, 7747, 8174, 8509, 12261, 15494, 16348, 17018, 23241, 24522, 25527, 30988, 34036, 36783, 46482, 49044, 51054, 69723, 73566, 76581, 92964, 102108, 139446, 147132, 153162, 278892, 306324, 519049, 1038098, 1557147, 2076196, 3114294, 4671441, 6228588, 9342882, 18685764]

約数ペア:

[(1, 18685764), (2, 9342882), (3, 6228588), (4, 4671441), (6, 3114294), (9, 2076196), (12, 1557147), (18, 1038098), (36, 519049), (61, 306324), (67, 278892), (122, 153162), (127, 147132), (134, 139446), (183, 102108), (201, 92964), (244, 76581), (254, 73566), (268, 69723), (366, 51054), (381, 49044), (402, 46482), (508, 36783), (549, 34036), (603, 30988), (732, 25527), (762, 24522), (804, 23241), (1098, 17018), (1143, 16348), (1206, 15494), (1524, 12261), (2196, 8509), (2286, 8174), (2412, 7747), (4087, 4572)]