18763308

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 55351296

約数和(自身を除く): 36587988

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 31, 34, 36, 43, 46, 51, 62, 68, 69, 86, 92, 93, 102, 124, 129, 138, 153, 172, 186, 204, 207, 258, 276, 279, 306, 372, 387, 391, 414, 516, 527, 558, 612, 713, 731, 774, 782, 828, 989, 1054, 1116, 1173, 1333, 1426, 1462, 1548, 1564, 1581, 1978, 2108, 2139, 2193, 2346, 2666, 2852, 2924, 2967, 3162, 3519, 3956, 3999, 4278, 4386, 4692, 4743, 5332, 5934, 6324, 6417, 6579, 7038, 7998, 8556, 8772, 8901, 9486, 11868, 11997, 12121, 12834, 13158, 14076, 15996, 16813, 17802, 18972, 22661, 23994, 24242, 25668, 26316, 30659, 33626, 35604, 36363, 45322, 47988, 48484, 50439, 61318, 67252, 67983, 72726, 90644, 91977, 100878, 109089, 122636, 135966, 145452, 151317, 183954, 201756, 203949, 218178, 271932, 275931, 302634, 367908, 407898, 436356, 521203, 551862, 605268, 815796, 1042406, 1103724, 1563609, 2084812, 3127218, 4690827, 6254436, 9381654, 18763308]

約数ペア:

[(1, 18763308), (2, 9381654), (3, 6254436), (4, 4690827), (6, 3127218), (9, 2084812), (12, 1563609), (17, 1103724), (18, 1042406), (23, 815796), (31, 605268), (34, 551862), (36, 521203), (43, 436356), (46, 407898), (51, 367908), (62, 302634), (68, 275931), (69, 271932), (86, 218178), (92, 203949), (93, 201756), (102, 183954), (124, 151317), (129, 145452), (138, 135966), (153, 122636), (172, 109089), (186, 100878), (204, 91977), (207, 90644), (258, 72726), (276, 67983), (279, 67252), (306, 61318), (372, 50439), (387, 48484), (391, 47988), (414, 45322), (516, 36363), (527, 35604), (558, 33626), (612, 30659), (713, 26316), (731, 25668), (774, 24242), (782, 23994), (828, 22661), (989, 18972), (1054, 17802), (1116, 16813), (1173, 15996), (1333, 14076), (1426, 13158), (1462, 12834), (1548, 12121), (1564, 11997), (1581, 11868), (1978, 9486), (2108, 8901), (2139, 8772), (2193, 8556), (2346, 7998), (2666, 7038), (2852, 6579), (2924, 6417), (2967, 6324), (3162, 5934), (3519, 5332), (3956, 4743), (3999, 4692), (4278, 4386)]