18962460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 64183392

約数和(自身を除く): 45220932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 157, 165, 180, 183, 198, 220, 244, 305, 314, 330, 366, 396, 471, 495, 549, 610, 628, 660, 671, 732, 785, 915, 942, 990, 1098, 1220, 1342, 1413, 1570, 1727, 1830, 1884, 1980, 2013, 2196, 2355, 2684, 2745, 2826, 3140, 3355, 3454, 3660, 4026, 4710, 5181, 5490, 5652, 6039, 6710, 6908, 7065, 8052, 8635, 9420, 9577, 10065, 10362, 10980, 12078, 13420, 14130, 15543, 17270, 19154, 20130, 20724, 24156, 25905, 28260, 28731, 30195, 31086, 34540, 38308, 40260, 47885, 51810, 57462, 60390, 62172, 77715, 86193, 95770, 103620, 105347, 114924, 120780, 143655, 155430, 172386, 191540, 210694, 287310, 310860, 316041, 344772, 421388, 430965, 526735, 574620, 632082, 861930, 948123, 1053470, 1264164, 1580205, 1723860, 1896246, 2106940, 3160410, 3792492, 4740615, 6320820, 9481230, 18962460]

約数ペア:

[(1, 18962460), (2, 9481230), (3, 6320820), (4, 4740615), (5, 3792492), (6, 3160410), (9, 2106940), (10, 1896246), (11, 1723860), (12, 1580205), (15, 1264164), (18, 1053470), (20, 948123), (22, 861930), (30, 632082), (33, 574620), (36, 526735), (44, 430965), (45, 421388), (55, 344772), (60, 316041), (61, 310860), (66, 287310), (90, 210694), (99, 191540), (110, 172386), (122, 155430), (132, 143655), (157, 120780), (165, 114924), (180, 105347), (183, 103620), (198, 95770), (220, 86193), (244, 77715), (305, 62172), (314, 60390), (330, 57462), (366, 51810), (396, 47885), (471, 40260), (495, 38308), (549, 34540), (610, 31086), (628, 30195), (660, 28731), (671, 28260), (732, 25905), (785, 24156), (915, 20724), (942, 20130), (990, 19154), (1098, 17270), (1220, 15543), (1342, 14130), (1413, 13420), (1570, 12078), (1727, 10980), (1830, 10362), (1884, 10065), (1980, 9577), (2013, 9420), (2196, 8635), (2355, 8052), (2684, 7065), (2745, 6908), (2826, 6710), (3140, 6039), (3355, 5652), (3454, 5490), (3660, 5181), (4026, 4710)]