18351112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 40219200

約数和(自身を除く): 21868088

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 251, 296, 481, 494, 502, 703, 962, 988, 1004, 1406, 1924, 1976, 2008, 2812, 3263, 3848, 4769, 5624, 6526, 9139, 9287, 9538, 13052, 18278, 18574, 19076, 26104, 36556, 37148, 38152, 61997, 73112, 74296, 120731, 123994, 176453, 241462, 247988, 352906, 482924, 495976, 705812, 965848, 1411624, 2293889, 4587778, 9175556, 18351112]

約数ペア:

[(1, 18351112), (2, 9175556), (4, 4587778), (8, 2293889), (13, 1411624), (19, 965848), (26, 705812), (37, 495976), (38, 482924), (52, 352906), (74, 247988), (76, 241462), (104, 176453), (148, 123994), (152, 120731), (247, 74296), (251, 73112), (296, 61997), (481, 38152), (494, 37148), (502, 36556), (703, 26104), (962, 19076), (988, 18574), (1004, 18278), (1406, 13052), (1924, 9538), (1976, 9287), (2008, 9139), (2812, 6526), (3263, 5624), (3848, 4769)]