18570860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 31748500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 389, 434, 620, 682, 770, 778, 868, 1085, 1364, 1540, 1556, 1705, 1945, 2170, 2387, 2723, 3410, 3890, 4279, 4340, 4774, 5446, 6820, 7780, 8558, 9548, 10892, 11935, 12059, 13615, 17116, 21395, 23870, 24118, 27230, 29953, 42790, 47740, 48236, 54460, 59906, 60295, 84413, 85580, 119812, 120590, 132649, 149765, 168826, 241180, 265298, 299530, 337652, 422065, 530596, 599060, 663245, 844130, 928543, 1326490, 1688260, 1857086, 2652980, 3714172, 4642715, 9285430, 18570860]

約数ペア:

[(1, 18570860), (2, 9285430), (4, 4642715), (5, 3714172), (7, 2652980), (10, 1857086), (11, 1688260), (14, 1326490), (20, 928543), (22, 844130), (28, 663245), (31, 599060), (35, 530596), (44, 422065), (55, 337652), (62, 299530), (70, 265298), (77, 241180), (110, 168826), (124, 149765), (140, 132649), (154, 120590), (155, 119812), (217, 85580), (220, 84413), (308, 60295), (310, 59906), (341, 54460), (385, 48236), (389, 47740), (434, 42790), (620, 29953), (682, 27230), (770, 24118), (778, 23870), (868, 21395), (1085, 17116), (1364, 13615), (1540, 12059), (1556, 11935), (1705, 10892), (1945, 9548), (2170, 8558), (2387, 7780), (2723, 6820), (3410, 5446), (3890, 4774), (4279, 4340)]