19368440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 56972160

約数和(自身を除く): 37603720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 313, 340, 364, 442, 455, 476, 520, 595, 626, 680, 728, 884, 910, 952, 1105, 1190, 1252, 1547, 1565, 1768, 1820, 2191, 2210, 2380, 2504, 3094, 3130, 3640, 4069, 4382, 4420, 4760, 5321, 6188, 6260, 7735, 8138, 8764, 8840, 10642, 10955, 12376, 12520, 15470, 16276, 17528, 20345, 21284, 21910, 26605, 28483, 30940, 32552, 37247, 40690, 42568, 43820, 53210, 56966, 61880, 69173, 74494, 81380, 87640, 106420, 113932, 138346, 142415, 148988, 162760, 186235, 212840, 227864, 276692, 284830, 297976, 345865, 372470, 484211, 553384, 569660, 691730, 744940, 968422, 1139320, 1383460, 1489880, 1936844, 2421055, 2766920, 3873688, 4842110, 9684220, 19368440]

約数ペア:

[(1, 19368440), (2, 9684220), (4, 4842110), (5, 3873688), (7, 2766920), (8, 2421055), (10, 1936844), (13, 1489880), (14, 1383460), (17, 1139320), (20, 968422), (26, 744940), (28, 691730), (34, 569660), (35, 553384), (40, 484211), (52, 372470), (56, 345865), (65, 297976), (68, 284830), (70, 276692), (85, 227864), (91, 212840), (104, 186235), (119, 162760), (130, 148988), (136, 142415), (140, 138346), (170, 113932), (182, 106420), (221, 87640), (238, 81380), (260, 74494), (280, 69173), (313, 61880), (340, 56966), (364, 53210), (442, 43820), (455, 42568), (476, 40690), (520, 37247), (595, 32552), (626, 30940), (680, 28483), (728, 26605), (884, 21910), (910, 21284), (952, 20345), (1105, 17528), (1190, 16276), (1252, 15470), (1547, 12520), (1565, 12376), (1768, 10955), (1820, 10642), (2191, 8840), (2210, 8764), (2380, 8138), (2504, 7735), (3094, 6260), (3130, 6188), (3640, 5321), (4069, 4760), (4382, 4420)]