19181280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 61236000

約数和(自身を除く): 42054720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 449, 480, 534, 712, 890, 898, 1068, 1335, 1347, 1424, 1780, 1796, 2136, 2245, 2670, 2694, 2848, 3560, 3592, 4272, 4490, 5340, 5388, 6735, 7120, 7184, 8544, 8980, 10680, 10776, 13470, 14240, 14368, 17960, 21360, 21552, 26940, 35920, 39961, 42720, 43104, 53880, 71840, 79922, 107760, 119883, 159844, 199805, 215520, 239766, 319688, 399610, 479532, 599415, 639376, 799220, 959064, 1198830, 1278752, 1598440, 1918128, 2397660, 3196880, 3836256, 4795320, 6393760, 9590640, 19181280]

約数ペア:

[(1, 19181280), (2, 9590640), (3, 6393760), (4, 4795320), (5, 3836256), (6, 3196880), (8, 2397660), (10, 1918128), (12, 1598440), (15, 1278752), (16, 1198830), (20, 959064), (24, 799220), (30, 639376), (32, 599415), (40, 479532), (48, 399610), (60, 319688), (80, 239766), (89, 215520), (96, 199805), (120, 159844), (160, 119883), (178, 107760), (240, 79922), (267, 71840), (356, 53880), (445, 43104), (449, 42720), (480, 39961), (534, 35920), (712, 26940), (890, 21552), (898, 21360), (1068, 17960), (1335, 14368), (1347, 14240), (1424, 13470), (1780, 10776), (1796, 10680), (2136, 8980), (2245, 8544), (2670, 7184), (2694, 7120), (2848, 6735), (3560, 5388), (3592, 5340), (4272, 4490)]