19266840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 63320400

約数和(自身を除く): 44053560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 491, 545, 654, 872, 981, 982, 1090, 1308, 1473, 1635, 1962, 1964, 2180, 2455, 2616, 2946, 3270, 3924, 3928, 4360, 4419, 4905, 4910, 5892, 6540, 7365, 7848, 8838, 9810, 9820, 11784, 13080, 14730, 17676, 19620, 19640, 22095, 29460, 35352, 39240, 44190, 53519, 58920, 88380, 107038, 160557, 176760, 214076, 267595, 321114, 428152, 481671, 535190, 642228, 802785, 963342, 1070380, 1284456, 1605570, 1926684, 2140760, 2408355, 3211140, 3853368, 4816710, 6422280, 9633420, 19266840]

約数ペア:

[(1, 19266840), (2, 9633420), (3, 6422280), (4, 4816710), (5, 3853368), (6, 3211140), (8, 2408355), (9, 2140760), (10, 1926684), (12, 1605570), (15, 1284456), (18, 1070380), (20, 963342), (24, 802785), (30, 642228), (36, 535190), (40, 481671), (45, 428152), (60, 321114), (72, 267595), (90, 214076), (109, 176760), (120, 160557), (180, 107038), (218, 88380), (327, 58920), (360, 53519), (436, 44190), (491, 39240), (545, 35352), (654, 29460), (872, 22095), (981, 19640), (982, 19620), (1090, 17676), (1308, 14730), (1473, 13080), (1635, 11784), (1962, 9820), (1964, 9810), (2180, 8838), (2455, 7848), (2616, 7365), (2946, 6540), (3270, 5892), (3924, 4910), (3928, 4905), (4360, 4419)]