17962980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2289

約数の個数: 96

約数和(自身を含む): 60533760

約数和(自身を除く): 42570780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2251, 2660, 3990, 4502, 6753, 7980, 9004, 11255, 13506, 15757, 22510, 27012, 31514, 33765, 42769, 45020, 47271, 63028, 67530, 78785, 85538, 94542, 128307, 135060, 157570, 171076, 189084, 213845, 236355, 256614, 299383, 315140, 427690, 472710, 513228, 598766, 641535, 855380, 898149, 945420, 1197532, 1283070, 1496915, 1796298, 2566140, 2993830, 3592596, 4490745, 5987660, 8981490, 17962980]

約数ペア:

[(1, 17962980), (2, 8981490), (3, 5987660), (4, 4490745), (5, 3592596), (6, 2993830), (7, 2566140), (10, 1796298), (12, 1496915), (14, 1283070), (15, 1197532), (19, 945420), (20, 898149), (21, 855380), (28, 641535), (30, 598766), (35, 513228), (38, 472710), (42, 427690), (57, 315140), (60, 299383), (70, 256614), (76, 236355), (84, 213845), (95, 189084), (105, 171076), (114, 157570), (133, 135060), (140, 128307), (190, 94542), (210, 85538), (228, 78785), (266, 67530), (285, 63028), (380, 47271), (399, 45020), (420, 42769), (532, 33765), (570, 31514), (665, 27012), (798, 22510), (1140, 15757), (1330, 13506), (1596, 11255), (1995, 9004), (2251, 7980), (2660, 6753), (3990, 4502)]