19606620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 60996096

約数和(自身を除く): 41389476

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 305, 330, 366, 487, 610, 660, 671, 732, 915, 974, 1220, 1342, 1461, 1830, 1948, 2013, 2435, 2684, 2922, 3355, 3660, 4026, 4870, 5357, 5844, 6710, 7305, 8052, 9740, 10065, 10714, 13420, 14610, 16071, 20130, 21428, 26785, 29220, 29707, 32142, 40260, 53570, 59414, 64284, 80355, 89121, 107140, 118828, 148535, 160710, 178242, 297070, 321420, 326777, 356484, 445605, 594140, 653554, 891210, 980331, 1307108, 1633885, 1782420, 1960662, 3267770, 3921324, 4901655, 6535540, 9803310, 19606620]

約数ペア:

[(1, 19606620), (2, 9803310), (3, 6535540), (4, 4901655), (5, 3921324), (6, 3267770), (10, 1960662), (11, 1782420), (12, 1633885), (15, 1307108), (20, 980331), (22, 891210), (30, 653554), (33, 594140), (44, 445605), (55, 356484), (60, 326777), (61, 321420), (66, 297070), (110, 178242), (122, 160710), (132, 148535), (165, 118828), (183, 107140), (220, 89121), (244, 80355), (305, 64284), (330, 59414), (366, 53570), (487, 40260), (610, 32142), (660, 29707), (671, 29220), (732, 26785), (915, 21428), (974, 20130), (1220, 16071), (1342, 14610), (1461, 13420), (1830, 10714), (1948, 10065), (2013, 9740), (2435, 8052), (2684, 7305), (2922, 6710), (3355, 5844), (3660, 5357), (4026, 4870)]