18411900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4721}}^1$

素因数の和:4751

約数の個数: 72

約数和(自身を含む): 57381744

約数和(自身を除く): 38969844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4721, 9442, 14163, 18884, 23605, 28326, 47210, 56652, 61373, 70815, 94420, 118025, 122746, 141630, 184119, 236050, 245492, 283260, 306865, 354075, 368238, 472100, 613730, 708150, 736476, 920595, 1227460, 1416300, 1534325, 1841190, 3068650, 3682380, 4602975, 6137300, 9205950, 18411900]

約数ペア:

[(1, 18411900), (2, 9205950), (3, 6137300), (4, 4602975), (5, 3682380), (6, 3068650), (10, 1841190), (12, 1534325), (13, 1416300), (15, 1227460), (20, 920595), (25, 736476), (26, 708150), (30, 613730), (39, 472100), (50, 368238), (52, 354075), (60, 306865), (65, 283260), (75, 245492), (78, 236050), (100, 184119), (130, 141630), (150, 122746), (156, 118025), (195, 94420), (260, 70815), (300, 61373), (325, 56652), (390, 47210), (650, 28326), (780, 23605), (975, 18884), (1300, 14163), (1950, 9442), (3900, 4721)]