18910650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 52193088

約数和(自身を除く): 33282438

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 73, 75, 110, 146, 150, 157, 165, 219, 275, 314, 330, 365, 438, 471, 550, 730, 785, 803, 825, 942, 1095, 1570, 1606, 1650, 1727, 1825, 2190, 2355, 2409, 3454, 3650, 3925, 4015, 4710, 4818, 5181, 5475, 7850, 8030, 8635, 10362, 10950, 11461, 11775, 12045, 17270, 20075, 22922, 23550, 24090, 25905, 34383, 40150, 43175, 51810, 57305, 60225, 68766, 86350, 114610, 120450, 126071, 129525, 171915, 252142, 259050, 286525, 343830, 378213, 573050, 630355, 756426, 859575, 1260710, 1719150, 1891065, 3151775, 3782130, 6303550, 9455325, 18910650]

約数ペア:

[(1, 18910650), (2, 9455325), (3, 6303550), (5, 3782130), (6, 3151775), (10, 1891065), (11, 1719150), (15, 1260710), (22, 859575), (25, 756426), (30, 630355), (33, 573050), (50, 378213), (55, 343830), (66, 286525), (73, 259050), (75, 252142), (110, 171915), (146, 129525), (150, 126071), (157, 120450), (165, 114610), (219, 86350), (275, 68766), (314, 60225), (330, 57305), (365, 51810), (438, 43175), (471, 40150), (550, 34383), (730, 25905), (785, 24090), (803, 23550), (825, 22922), (942, 20075), (1095, 17270), (1570, 12045), (1606, 11775), (1650, 11461), (1727, 10950), (1825, 10362), (2190, 8635), (2355, 8030), (2409, 7850), (3454, 5475), (3650, 5181), (3925, 4818), (4015, 4710)]