18809532018

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{1933}}^1\times {\mathrm{2281}}^1$

素因数の和:4304

約数の個数: 64

約数和(自身を含む): 42368524800

約数和(自身を除く): 23558992782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 1933, 2133, 2281, 3866, 4266, 4562, 5799, 6843, 11598, 13686, 17397, 20529, 34794, 41058, 52191, 61587, 104382, 123174, 152707, 180199, 305414, 360398, 458121, 540597, 916242, 1081194, 1374363, 1621791, 2748726, 3243582, 4123089, 4409173, 4865373, 8246178, 8818346, 9730746, 13227519, 26455038, 39682557, 79365114, 119047671, 238095342, 348324667, 696649334, 1044974001, 2089948002, 3134922003, 6269844006, 9404766009, 18809532018]

約数ペア:

[(1, 18809532018), (2, 9404766009), (3, 6269844006), (6, 3134922003), (9, 2089948002), (18, 1044974001), (27, 696649334), (54, 348324667), (79, 238095342), (158, 119047671), (237, 79365114), (474, 39682557), (711, 26455038), (1422, 13227519), (1933, 9730746), (2133, 8818346), (2281, 8246178), (3866, 4865373), (4266, 4409173), (4562, 4123089), (5799, 3243582), (6843, 2748726), (11598, 1621791), (13686, 1374363), (17397, 1081194), (20529, 916242), (34794, 540597), (41058, 458121), (52191, 360398), (61587, 305414), (104382, 180199), (123174, 152707)]