19517472

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 108

約数和(自身を含む): 60250554

約数和(自身を除く): 40733082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 401, 416, 468, 507, 624, 676, 802, 936, 1014, 1203, 1248, 1352, 1521, 1604, 1872, 2028, 2406, 2704, 3042, 3208, 3609, 3744, 4056, 4812, 5213, 5408, 6084, 6416, 7218, 8112, 9624, 10426, 12168, 12832, 14436, 15639, 16224, 19248, 20852, 24336, 28872, 31278, 38496, 41704, 46917, 48672, 57744, 62556, 67769, 83408, 93834, 115488, 125112, 135538, 166816, 187668, 203307, 250224, 271076, 375336, 406614, 500448, 542152, 609921, 750672, 813228, 1084304, 1219842, 1501344, 1626456, 2168608, 2439684, 3252912, 4879368, 6505824, 9758736, 19517472]

約数ペア:

[(1, 19517472), (2, 9758736), (3, 6505824), (4, 4879368), (6, 3252912), (8, 2439684), (9, 2168608), (12, 1626456), (13, 1501344), (16, 1219842), (18, 1084304), (24, 813228), (26, 750672), (32, 609921), (36, 542152), (39, 500448), (48, 406614), (52, 375336), (72, 271076), (78, 250224), (96, 203307), (104, 187668), (117, 166816), (144, 135538), (156, 125112), (169, 115488), (208, 93834), (234, 83408), (288, 67769), (312, 62556), (338, 57744), (401, 48672), (416, 46917), (468, 41704), (507, 38496), (624, 31278), (676, 28872), (802, 24336), (936, 20852), (1014, 19248), (1203, 16224), (1248, 15639), (1352, 14436), (1521, 12832), (1604, 12168), (1872, 10426), (2028, 9624), (2406, 8112), (2704, 7218), (3042, 6416), (3208, 6084), (3609, 5408), (3744, 5213), (4056, 4812)]