18229550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 36902400

約数和(自身を除く): 18672850

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 619, 775, 950, 1178, 1238, 1550, 2945, 3095, 5890, 6190, 11761, 14725, 15475, 19189, 23522, 29450, 30950, 38378, 58805, 95945, 117610, 191890, 294025, 364591, 479725, 588050, 729182, 959450, 1822955, 3645910, 9114775, 18229550]

約数ペア:

[(1, 18229550), (2, 9114775), (5, 3645910), (10, 1822955), (19, 959450), (25, 729182), (31, 588050), (38, 479725), (50, 364591), (62, 294025), (95, 191890), (155, 117610), (190, 95945), (310, 58805), (475, 38378), (589, 30950), (619, 29450), (775, 23522), (950, 19189), (1178, 15475), (1238, 14725), (1550, 11761), (2945, 6190), (3095, 5890)]