18431028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 59579520

約数和(自身を除く): 41148492

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 61, 63, 66, 77, 84, 99, 109, 122, 126, 132, 154, 183, 198, 218, 231, 244, 252, 308, 327, 366, 396, 427, 436, 462, 549, 654, 671, 693, 732, 763, 854, 924, 981, 1098, 1199, 1281, 1308, 1342, 1386, 1526, 1708, 1962, 2013, 2196, 2289, 2398, 2562, 2684, 2772, 3052, 3597, 3843, 3924, 4026, 4578, 4697, 4796, 5124, 6039, 6649, 6867, 7194, 7686, 8052, 8393, 9156, 9394, 10791, 12078, 13298, 13734, 14091, 14388, 15372, 16786, 18788, 19947, 21582, 24156, 25179, 26596, 27468, 28182, 33572, 39894, 42273, 43164, 46543, 50358, 56364, 59841, 73139, 75537, 79788, 84546, 93086, 100716, 119682, 139629, 146278, 151074, 169092, 186172, 219417, 239364, 279258, 292556, 302148, 418887, 438834, 511973, 558516, 658251, 837774, 877668, 1023946, 1316502, 1535919, 1675548, 2047892, 2633004, 3071838, 4607757, 6143676, 9215514, 18431028]

約数ペア:

[(1, 18431028), (2, 9215514), (3, 6143676), (4, 4607757), (6, 3071838), (7, 2633004), (9, 2047892), (11, 1675548), (12, 1535919), (14, 1316502), (18, 1023946), (21, 877668), (22, 837774), (28, 658251), (33, 558516), (36, 511973), (42, 438834), (44, 418887), (61, 302148), (63, 292556), (66, 279258), (77, 239364), (84, 219417), (99, 186172), (109, 169092), (122, 151074), (126, 146278), (132, 139629), (154, 119682), (183, 100716), (198, 93086), (218, 84546), (231, 79788), (244, 75537), (252, 73139), (308, 59841), (327, 56364), (366, 50358), (396, 46543), (427, 43164), (436, 42273), (462, 39894), (549, 33572), (654, 28182), (671, 27468), (693, 26596), (732, 25179), (763, 24156), (854, 21582), (924, 19947), (981, 18788), (1098, 16786), (1199, 15372), (1281, 14388), (1308, 14091), (1342, 13734), (1386, 13298), (1526, 12078), (1708, 10791), (1962, 9394), (2013, 9156), (2196, 8393), (2289, 8052), (2398, 7686), (2562, 7194), (2684, 6867), (2772, 6649), (3052, 6039), (3597, 5124), (3843, 4796), (3924, 4697), (4026, 4578)]