19724016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 55753376

約数和(自身を除く): 36029360

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 433, 438, 584, 624, 866, 876, 949, 1168, 1299, 1732, 1752, 1898, 2598, 2847, 3464, 3504, 3796, 5196, 5629, 5694, 6928, 7592, 10392, 11258, 11388, 15184, 16887, 20784, 22516, 22776, 31609, 33774, 45032, 45552, 63218, 67548, 90064, 94827, 126436, 135096, 189654, 252872, 270192, 379308, 410917, 505744, 758616, 821834, 1232751, 1517232, 1643668, 2465502, 3287336, 4931004, 6574672, 9862008, 19724016]

約数ペア:

[(1, 19724016), (2, 9862008), (3, 6574672), (4, 4931004), (6, 3287336), (8, 2465502), (12, 1643668), (13, 1517232), (16, 1232751), (24, 821834), (26, 758616), (39, 505744), (48, 410917), (52, 379308), (73, 270192), (78, 252872), (104, 189654), (146, 135096), (156, 126436), (208, 94827), (219, 90064), (292, 67548), (312, 63218), (433, 45552), (438, 45032), (584, 33774), (624, 31609), (866, 22776), (876, 22516), (949, 20784), (1168, 16887), (1299, 15184), (1732, 11388), (1752, 11258), (1898, 10392), (2598, 7592), (2847, 6928), (3464, 5694), (3504, 5629), (3796, 5196)]