19824390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 55014336

約数和(自身を除く): 35189946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 61, 69, 90, 115, 122, 138, 157, 183, 207, 230, 305, 314, 345, 366, 414, 471, 549, 610, 690, 785, 915, 942, 1035, 1098, 1403, 1413, 1570, 1830, 2070, 2355, 2745, 2806, 2826, 3611, 4209, 4710, 5490, 7015, 7065, 7222, 8418, 9577, 10833, 12627, 14030, 14130, 18055, 19154, 21045, 21666, 25254, 28731, 32499, 36110, 42090, 47885, 54165, 57462, 63135, 64998, 86193, 95770, 108330, 126270, 143655, 162495, 172386, 220271, 287310, 324990, 430965, 440542, 660813, 861930, 1101355, 1321626, 1982439, 2202710, 3304065, 3964878, 6608130, 9912195, 19824390]

約数ペア:

[(1, 19824390), (2, 9912195), (3, 6608130), (5, 3964878), (6, 3304065), (9, 2202710), (10, 1982439), (15, 1321626), (18, 1101355), (23, 861930), (30, 660813), (45, 440542), (46, 430965), (61, 324990), (69, 287310), (90, 220271), (115, 172386), (122, 162495), (138, 143655), (157, 126270), (183, 108330), (207, 95770), (230, 86193), (305, 64998), (314, 63135), (345, 57462), (366, 54165), (414, 47885), (471, 42090), (549, 36110), (610, 32499), (690, 28731), (785, 25254), (915, 21666), (942, 21045), (1035, 19154), (1098, 18055), (1403, 14130), (1413, 14030), (1570, 12627), (1830, 10833), (2070, 9577), (2355, 8418), (2745, 7222), (2806, 7065), (2826, 7015), (3611, 5490), (4209, 4710)]