18452440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 26337320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 647, 713, 920, 1240, 1294, 1426, 2588, 2852, 3235, 3565, 5176, 5704, 6470, 7130, 12940, 14260, 14881, 20057, 25880, 28520, 29762, 40114, 59524, 74405, 80228, 100285, 119048, 148810, 160456, 200570, 297620, 401140, 461311, 595240, 802280, 922622, 1845244, 2306555, 3690488, 4613110, 9226220, 18452440]

約数ペア:

[(1, 18452440), (2, 9226220), (4, 4613110), (5, 3690488), (8, 2306555), (10, 1845244), (20, 922622), (23, 802280), (31, 595240), (40, 461311), (46, 401140), (62, 297620), (92, 200570), (115, 160456), (124, 148810), (155, 119048), (184, 100285), (230, 80228), (248, 74405), (310, 59524), (460, 40114), (620, 29762), (647, 28520), (713, 25880), (920, 20057), (1240, 14881), (1294, 14260), (1426, 12940), (2588, 7130), (2852, 6470), (3235, 5704), (3565, 5176)]