19135520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2973

約数の個数: 48

約数和(自身を含む): 46326168

約数和(自身を除く): 27190648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2917, 3280, 5834, 6560, 11668, 14585, 23336, 29170, 46672, 58340, 93344, 116680, 119597, 233360, 239194, 466720, 478388, 597985, 956776, 1195970, 1913552, 2391940, 3827104, 4783880, 9567760, 19135520]

約数ペア:

[(1, 19135520), (2, 9567760), (4, 4783880), (5, 3827104), (8, 2391940), (10, 1913552), (16, 1195970), (20, 956776), (32, 597985), (40, 478388), (41, 466720), (80, 239194), (82, 233360), (160, 119597), (164, 116680), (205, 93344), (328, 58340), (410, 46672), (656, 29170), (820, 23336), (1312, 14585), (1640, 11668), (2917, 6560), (3280, 5834)]