18465876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 58339008

約数和(自身を除く): 39873132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 17, 18, 22, 26, 33, 34, 36, 39, 44, 51, 52, 66, 68, 78, 99, 102, 117, 132, 143, 153, 156, 187, 198, 204, 211, 221, 234, 286, 306, 374, 396, 422, 429, 442, 468, 561, 572, 612, 633, 663, 748, 844, 858, 884, 1122, 1266, 1287, 1326, 1683, 1716, 1899, 1989, 2244, 2321, 2431, 2532, 2574, 2652, 2743, 3366, 3587, 3798, 3978, 4642, 4862, 5148, 5486, 6732, 6963, 7174, 7293, 7596, 7956, 8229, 9284, 9724, 10761, 10972, 13926, 14348, 14586, 16458, 20889, 21522, 21879, 24687, 27852, 29172, 30173, 32283, 32916, 39457, 41778, 43044, 43758, 46631, 49374, 60346, 64566, 78914, 83556, 87516, 90519, 93262, 98748, 118371, 120692, 129132, 139893, 157828, 181038, 186524, 236742, 271557, 279786, 355113, 362076, 419679, 473484, 512941, 543114, 559572, 710226, 839358, 1025882, 1086228, 1420452, 1538823, 1678716, 2051764, 3077646, 4616469, 6155292, 9232938, 18465876]

約数ペア:

[(1, 18465876), (2, 9232938), (3, 6155292), (4, 4616469), (6, 3077646), (9, 2051764), (11, 1678716), (12, 1538823), (13, 1420452), (17, 1086228), (18, 1025882), (22, 839358), (26, 710226), (33, 559572), (34, 543114), (36, 512941), (39, 473484), (44, 419679), (51, 362076), (52, 355113), (66, 279786), (68, 271557), (78, 236742), (99, 186524), (102, 181038), (117, 157828), (132, 139893), (143, 129132), (153, 120692), (156, 118371), (187, 98748), (198, 93262), (204, 90519), (211, 87516), (221, 83556), (234, 78914), (286, 64566), (306, 60346), (374, 49374), (396, 46631), (422, 43758), (429, 43044), (442, 41778), (468, 39457), (561, 32916), (572, 32283), (612, 30173), (633, 29172), (663, 27852), (748, 24687), (844, 21879), (858, 21522), (884, 20889), (1122, 16458), (1266, 14586), (1287, 14348), (1326, 13926), (1683, 10972), (1716, 10761), (1899, 9724), (1989, 9284), (2244, 8229), (2321, 7956), (2431, 7596), (2532, 7293), (2574, 7174), (2652, 6963), (2743, 6732), (3366, 5486), (3587, 5148), (3798, 4862), (3978, 4642)]