18429500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 25599940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 41, 50, 58, 62, 82, 100, 116, 124, 125, 145, 155, 164, 205, 250, 290, 310, 410, 500, 580, 620, 725, 775, 820, 899, 1025, 1189, 1271, 1450, 1550, 1798, 2050, 2378, 2542, 2900, 3100, 3596, 3625, 3875, 4100, 4495, 4756, 5084, 5125, 5945, 6355, 7250, 7750, 8990, 10250, 11890, 12710, 14500, 15500, 17980, 20500, 22475, 23780, 25420, 29725, 31775, 36859, 44950, 59450, 63550, 73718, 89900, 112375, 118900, 127100, 147436, 148625, 158875, 184295, 224750, 297250, 317750, 368590, 449500, 594500, 635500, 737180, 921475, 1842950, 3685900, 4607375, 9214750, 18429500]

約数ペア:

[(1, 18429500), (2, 9214750), (4, 4607375), (5, 3685900), (10, 1842950), (20, 921475), (25, 737180), (29, 635500), (31, 594500), (41, 449500), (50, 368590), (58, 317750), (62, 297250), (82, 224750), (100, 184295), (116, 158875), (124, 148625), (125, 147436), (145, 127100), (155, 118900), (164, 112375), (205, 89900), (250, 73718), (290, 63550), (310, 59450), (410, 44950), (500, 36859), (580, 31775), (620, 29725), (725, 25420), (775, 23780), (820, 22475), (899, 20500), (1025, 17980), (1189, 15500), (1271, 14500), (1450, 12710), (1550, 11890), (1798, 10250), (2050, 8990), (2378, 7750), (2542, 7250), (2900, 6355), (3100, 5945), (3596, 5125), (3625, 5084), (3875, 4756), (4100, 4495)]