19437440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 51279480

約数和(自身を除く): 31842040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 251, 320, 352, 440, 484, 502, 605, 640, 704, 880, 968, 1004, 1210, 1255, 1408, 1760, 1936, 2008, 2420, 2510, 2761, 3520, 3872, 4016, 4840, 5020, 5522, 7040, 7744, 8032, 9680, 10040, 11044, 13805, 15488, 16064, 19360, 20080, 22088, 27610, 30371, 32128, 38720, 40160, 44176, 55220, 60742, 77440, 80320, 88352, 110440, 121484, 151855, 160640, 176704, 220880, 242968, 303710, 353408, 441760, 485936, 607420, 883520, 971872, 1214840, 1767040, 1943744, 2429680, 3887488, 4859360, 9718720, 19437440]

約数ペア:

[(1, 19437440), (2, 9718720), (4, 4859360), (5, 3887488), (8, 2429680), (10, 1943744), (11, 1767040), (16, 1214840), (20, 971872), (22, 883520), (32, 607420), (40, 485936), (44, 441760), (55, 353408), (64, 303710), (80, 242968), (88, 220880), (110, 176704), (121, 160640), (128, 151855), (160, 121484), (176, 110440), (220, 88352), (242, 80320), (251, 77440), (320, 60742), (352, 55220), (440, 44176), (484, 40160), (502, 38720), (605, 32128), (640, 30371), (704, 27610), (880, 22088), (968, 20080), (1004, 19360), (1210, 16064), (1255, 15488), (1408, 13805), (1760, 11044), (1936, 10040), (2008, 9680), (2420, 8032), (2510, 7744), (2761, 7040), (3520, 5522), (3872, 5020), (4016, 4840)]