18456156920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{37189}}^1$

素因数の和:37872

約数の個数: 64

約数和(自身を含む): 43780068000

約数和(自身を除く): 25323911080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 653, 760, 1306, 2612, 3265, 5224, 6530, 12407, 13060, 24814, 26120, 37189, 49628, 62035, 74378, 99256, 124070, 148756, 185945, 248140, 297512, 371890, 496280, 706591, 743780, 1413182, 1487560, 2826364, 3532955, 5652728, 7065910, 14131820, 24284417, 28263640, 48568834, 97137668, 121422085, 194275336, 242844170, 461403923, 485688340, 922807846, 971376680, 1845615692, 2307019615, 3691231384, 4614039230, 9228078460, 18456156920]

約数ペア:

[(1, 18456156920), (2, 9228078460), (4, 4614039230), (5, 3691231384), (8, 2307019615), (10, 1845615692), (19, 971376680), (20, 922807846), (38, 485688340), (40, 461403923), (76, 242844170), (95, 194275336), (152, 121422085), (190, 97137668), (380, 48568834), (653, 28263640), (760, 24284417), (1306, 14131820), (2612, 7065910), (3265, 5652728), (5224, 3532955), (6530, 2826364), (12407, 1487560), (13060, 1413182), (24814, 743780), (26120, 706591), (37189, 496280), (49628, 371890), (62035, 297512), (74378, 248140), (99256, 185945), (124070, 148756)]