19488810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 32299350

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 809, 1095, 1606, 1618, 2190, 2409, 2427, 4015, 4045, 4818, 4854, 8030, 8090, 8899, 12045, 12135, 17798, 24090, 24270, 26697, 44495, 53394, 59057, 88990, 118114, 133485, 177171, 266970, 295285, 354342, 590570, 649627, 885855, 1299254, 1771710, 1948881, 3248135, 3897762, 6496270, 9744405, 19488810]

約数ペア:

[(1, 19488810), (2, 9744405), (3, 6496270), (5, 3897762), (6, 3248135), (10, 1948881), (11, 1771710), (15, 1299254), (22, 885855), (30, 649627), (33, 590570), (55, 354342), (66, 295285), (73, 266970), (110, 177171), (146, 133485), (165, 118114), (219, 88990), (330, 59057), (365, 53394), (438, 44495), (730, 26697), (803, 24270), (809, 24090), (1095, 17798), (1606, 12135), (1618, 12045), (2190, 8899), (2409, 8090), (2427, 8030), (4015, 4854), (4045, 4818)]