19507880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 52633800

約数和(自身を除く): 33125920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 269, 280, 296, 370, 392, 490, 518, 538, 740, 980, 1036, 1076, 1295, 1345, 1480, 1813, 1883, 1960, 2072, 2152, 2590, 2690, 3626, 3766, 5180, 5380, 7252, 7532, 9065, 9415, 9953, 10360, 10760, 13181, 14504, 15064, 18130, 18830, 19906, 26362, 36260, 37660, 39812, 49765, 52724, 65905, 69671, 72520, 75320, 79624, 99530, 105448, 131810, 139342, 199060, 263620, 278684, 348355, 398120, 487697, 527240, 557368, 696710, 975394, 1393420, 1950788, 2438485, 2786840, 3901576, 4876970, 9753940, 19507880]

約数ペア:

[(1, 19507880), (2, 9753940), (4, 4876970), (5, 3901576), (7, 2786840), (8, 2438485), (10, 1950788), (14, 1393420), (20, 975394), (28, 696710), (35, 557368), (37, 527240), (40, 487697), (49, 398120), (56, 348355), (70, 278684), (74, 263620), (98, 199060), (140, 139342), (148, 131810), (185, 105448), (196, 99530), (245, 79624), (259, 75320), (269, 72520), (280, 69671), (296, 65905), (370, 52724), (392, 49765), (490, 39812), (518, 37660), (538, 36260), (740, 26362), (980, 19906), (1036, 18830), (1076, 18130), (1295, 15064), (1345, 14504), (1480, 13181), (1813, 10760), (1883, 10360), (1960, 9953), (2072, 9415), (2152, 9065), (2590, 7532), (2690, 7252), (3626, 5380), (3766, 5180)]