19406530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 42166656

約数和(自身を除く): 22760126

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 55, 65, 82, 110, 130, 143, 205, 286, 331, 410, 451, 533, 662, 715, 902, 1066, 1430, 1655, 2255, 2665, 3310, 3641, 4303, 4510, 5330, 5863, 7282, 8606, 11726, 13571, 18205, 21515, 27142, 29315, 36410, 43030, 47333, 58630, 67855, 94666, 135710, 149281, 176423, 236665, 298562, 352846, 473330, 746405, 882115, 1492810, 1764230, 1940653, 3881306, 9703265, 19406530]

約数ペア:

[(1, 19406530), (2, 9703265), (5, 3881306), (10, 1940653), (11, 1764230), (13, 1492810), (22, 882115), (26, 746405), (41, 473330), (55, 352846), (65, 298562), (82, 236665), (110, 176423), (130, 149281), (143, 135710), (205, 94666), (286, 67855), (331, 58630), (410, 47333), (451, 43030), (533, 36410), (662, 29315), (715, 27142), (902, 21515), (1066, 18205), (1430, 13571), (1655, 11726), (2255, 8606), (2665, 7282), (3310, 5863), (3641, 5330), (4303, 4510)]