19413760

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 48197520

約数和(自身を除く): 28783760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 523, 580, 640, 928, 1046, 1160, 1280, 1856, 2092, 2320, 2615, 3712, 4184, 4640, 5230, 7424, 8368, 9280, 10460, 15167, 16736, 18560, 20920, 30334, 33472, 37120, 41840, 60668, 66944, 75835, 83680, 121336, 133888, 151670, 167360, 242672, 303340, 334720, 485344, 606680, 669440, 970688, 1213360, 1941376, 2426720, 3882752, 4853440, 9706880, 19413760]

約数ペア:

[(1, 19413760), (2, 9706880), (4, 4853440), (5, 3882752), (8, 2426720), (10, 1941376), (16, 1213360), (20, 970688), (29, 669440), (32, 606680), (40, 485344), (58, 334720), (64, 303340), (80, 242672), (116, 167360), (128, 151670), (145, 133888), (160, 121336), (232, 83680), (256, 75835), (290, 66944), (320, 60668), (464, 41840), (523, 37120), (580, 33472), (640, 30334), (928, 20920), (1046, 18560), (1160, 16736), (1280, 15167), (1856, 10460), (2092, 9280), (2320, 8368), (2615, 7424), (3712, 5230), (4184, 4640)]