1618173836

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 3171724416

約数和(自身を除く): 1553550580

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 361, 589, 703, 722, 977, 1147, 1178, 1406, 1444, 1954, 2294, 2356, 2812, 3908, 4588, 11191, 13357, 18563, 21793, 22382, 26714, 30287, 36149, 37126, 43586, 44764, 53428, 60574, 72298, 74252, 87172, 121148, 144596, 352697, 414067, 575453, 686831, 705394, 828134, 1120619, 1150906, 1373662, 1410788, 1656268, 2241238, 2301812, 2747324, 4482476, 10933607, 13049789, 21291761, 21867214, 26099578, 42583522, 43734428, 52199156, 85167044, 404543459, 809086918, 1618173836]

約数ペア:

[(1, 1618173836), (2, 809086918), (4, 404543459), (19, 85167044), (31, 52199156), (37, 43734428), (38, 42583522), (62, 26099578), (74, 21867214), (76, 21291761), (124, 13049789), (148, 10933607), (361, 4482476), (589, 2747324), (703, 2301812), (722, 2241238), (977, 1656268), (1147, 1410788), (1178, 1373662), (1406, 1150906), (1444, 1120619), (1954, 828134), (2294, 705394), (2356, 686831), (2812, 575453), (3908, 414067), (4588, 352697), (11191, 144596), (13357, 121148), (18563, 87172), (21793, 74252), (22382, 72298), (26714, 60574), (30287, 53428), (36149, 44764), (37126, 43586)]