42780438

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1867}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 99078720

約数和(自身を除く): 56298282

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 67, 114, 134, 171, 201, 342, 402, 603, 1206, 1273, 1867, 2546, 3734, 3819, 5601, 7638, 11202, 11457, 16803, 22914, 33606, 35473, 70946, 106419, 125089, 212838, 250178, 319257, 375267, 638514, 750534, 1125801, 2251602, 2376691, 4753382, 7130073, 14260146, 21390219, 42780438]

約数ペア:

[(1, 42780438), (2, 21390219), (3, 14260146), (6, 7130073), (9, 4753382), (18, 2376691), (19, 2251602), (38, 1125801), (57, 750534), (67, 638514), (114, 375267), (134, 319257), (171, 250178), (201, 212838), (342, 125089), (402, 106419), (603, 70946), (1206, 35473), (1273, 33606), (1867, 22914), (2546, 16803), (3734, 11457), (3819, 11202), (5601, 7638)]