18944900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 47653200

約数和(自身を除く): 28708300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 59, 65, 76, 95, 100, 118, 130, 169, 190, 236, 247, 260, 295, 325, 338, 380, 475, 494, 590, 650, 676, 767, 845, 950, 988, 1121, 1180, 1235, 1300, 1475, 1534, 1690, 1900, 2242, 2470, 2950, 3068, 3211, 3380, 3835, 4225, 4484, 4940, 5605, 5900, 6175, 6422, 7670, 8450, 9971, 11210, 12350, 12844, 14573, 15340, 16055, 16900, 19175, 19942, 22420, 24700, 28025, 29146, 32110, 38350, 39884, 49855, 56050, 58292, 64220, 72865, 76700, 80275, 99710, 112100, 145730, 160550, 189449, 199420, 249275, 291460, 321100, 364325, 378898, 498550, 728650, 757796, 947245, 997100, 1457300, 1894490, 3788980, 4736225, 9472450, 18944900]

約数ペア:

[(1, 18944900), (2, 9472450), (4, 4736225), (5, 3788980), (10, 1894490), (13, 1457300), (19, 997100), (20, 947245), (25, 757796), (26, 728650), (38, 498550), (50, 378898), (52, 364325), (59, 321100), (65, 291460), (76, 249275), (95, 199420), (100, 189449), (118, 160550), (130, 145730), (169, 112100), (190, 99710), (236, 80275), (247, 76700), (260, 72865), (295, 64220), (325, 58292), (338, 56050), (380, 49855), (475, 39884), (494, 38350), (590, 32110), (650, 29146), (676, 28025), (767, 24700), (845, 22420), (950, 19942), (988, 19175), (1121, 16900), (1180, 16055), (1235, 15340), (1300, 14573), (1475, 12844), (1534, 12350), (1690, 11210), (1900, 9971), (2242, 8450), (2470, 7670), (2950, 6422), (3068, 6175), (3211, 5900), (3380, 5605), (3835, 4940), (4225, 4484)]