18840588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31962612

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 59, 69, 78, 89, 92, 118, 138, 156, 177, 178, 236, 267, 276, 299, 354, 356, 534, 598, 708, 767, 897, 1068, 1157, 1196, 1357, 1534, 1794, 2047, 2301, 2314, 2714, 3068, 3471, 3588, 4071, 4094, 4602, 4628, 5251, 5428, 6141, 6942, 8142, 8188, 9204, 10502, 12282, 13884, 15753, 16284, 17641, 21004, 24564, 26611, 31506, 35282, 52923, 53222, 63012, 68263, 70564, 79833, 105846, 106444, 120773, 136526, 159666, 204789, 211692, 241546, 273052, 319332, 362319, 409578, 483092, 724638, 819156, 1449276, 1570049, 3140098, 4710147, 6280196, 9420294, 18840588]

約数ペア:

[(1, 18840588), (2, 9420294), (3, 6280196), (4, 4710147), (6, 3140098), (12, 1570049), (13, 1449276), (23, 819156), (26, 724638), (39, 483092), (46, 409578), (52, 362319), (59, 319332), (69, 273052), (78, 241546), (89, 211692), (92, 204789), (118, 159666), (138, 136526), (156, 120773), (177, 106444), (178, 105846), (236, 79833), (267, 70564), (276, 68263), (299, 63012), (354, 53222), (356, 52923), (534, 35282), (598, 31506), (708, 26611), (767, 24564), (897, 21004), (1068, 17641), (1157, 16284), (1196, 15753), (1357, 13884), (1534, 12282), (1794, 10502), (2047, 9204), (2301, 8188), (2314, 8142), (2714, 6942), (3068, 6141), (3471, 5428), (3588, 5251), (4071, 4628), (4094, 4602)]