19769820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 64017408

約数和(自身を除く): 44247588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 457, 515, 618, 721, 914, 1030, 1236, 1371, 1442, 1545, 1828, 2060, 2163, 2285, 2742, 2884, 3090, 3199, 3605, 4326, 4570, 5484, 6180, 6398, 6855, 7210, 8652, 9140, 9597, 10815, 12796, 13710, 14420, 15995, 19194, 21630, 27420, 31990, 38388, 43260, 47071, 47985, 63980, 94142, 95970, 141213, 188284, 191940, 235355, 282426, 329497, 470710, 564852, 658994, 706065, 941420, 988491, 1317988, 1412130, 1647485, 1976982, 2824260, 3294970, 3953964, 4942455, 6589940, 9884910, 19769820]

約数ペア:

[(1, 19769820), (2, 9884910), (3, 6589940), (4, 4942455), (5, 3953964), (6, 3294970), (7, 2824260), (10, 1976982), (12, 1647485), (14, 1412130), (15, 1317988), (20, 988491), (21, 941420), (28, 706065), (30, 658994), (35, 564852), (42, 470710), (60, 329497), (70, 282426), (84, 235355), (103, 191940), (105, 188284), (140, 141213), (206, 95970), (210, 94142), (309, 63980), (412, 47985), (420, 47071), (457, 43260), (515, 38388), (618, 31990), (721, 27420), (914, 21630), (1030, 19194), (1236, 15995), (1371, 14420), (1442, 13710), (1545, 12796), (1828, 10815), (2060, 9597), (2163, 9140), (2285, 8652), (2742, 7210), (2884, 6855), (3090, 6398), (3199, 6180), (3605, 5484), (4326, 4570)]