18011300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 41997312

約数和(自身を除く): 23986012

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 191, 205, 230, 382, 410, 460, 575, 764, 820, 943, 955, 1025, 1150, 1886, 1910, 2050, 2300, 3772, 3820, 4100, 4393, 4715, 4775, 7831, 8786, 9430, 9550, 15662, 17572, 18860, 19100, 21965, 23575, 31324, 39155, 43930, 47150, 78310, 87860, 94300, 109825, 156620, 180113, 195775, 219650, 360226, 391550, 439300, 720452, 783100, 900565, 1801130, 3602260, 4502825, 9005650, 18011300]

約数ペア:

[(1, 18011300), (2, 9005650), (4, 4502825), (5, 3602260), (10, 1801130), (20, 900565), (23, 783100), (25, 720452), (41, 439300), (46, 391550), (50, 360226), (82, 219650), (92, 195775), (100, 180113), (115, 156620), (164, 109825), (191, 94300), (205, 87860), (230, 78310), (382, 47150), (410, 43930), (460, 39155), (575, 31324), (764, 23575), (820, 21965), (943, 19100), (955, 18860), (1025, 17572), (1150, 15662), (1886, 9550), (1910, 9430), (2050, 8786), (2300, 7831), (3772, 4775), (3820, 4715), (4100, 4393)]