18432280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 25919720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 307, 316, 380, 395, 614, 632, 760, 790, 1228, 1501, 1535, 1580, 2456, 3002, 3070, 3160, 5833, 6004, 6140, 7505, 11666, 12008, 12280, 15010, 23332, 24253, 29165, 30020, 46664, 48506, 58330, 60040, 97012, 116660, 121265, 194024, 233320, 242530, 460807, 485060, 921614, 970120, 1843228, 2304035, 3686456, 4608070, 9216140, 18432280]

約数ペア:

[(1, 18432280), (2, 9216140), (4, 4608070), (5, 3686456), (8, 2304035), (10, 1843228), (19, 970120), (20, 921614), (38, 485060), (40, 460807), (76, 242530), (79, 233320), (95, 194024), (152, 121265), (158, 116660), (190, 97012), (307, 60040), (316, 58330), (380, 48506), (395, 46664), (614, 30020), (632, 29165), (760, 24253), (790, 23332), (1228, 15010), (1501, 12280), (1535, 12008), (1580, 11666), (2456, 7505), (3002, 6140), (3070, 6004), (3160, 5833)]