18389625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 33696000

約数和(自身を除く): 15306375

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 89, 95, 125, 145, 267, 285, 375, 435, 445, 475, 551, 725, 1335, 1425, 1653, 1691, 2175, 2225, 2375, 2581, 2755, 3625, 5073, 6675, 7125, 7743, 8265, 8455, 10875, 11125, 12905, 13775, 25365, 33375, 38715, 41325, 42275, 49039, 64525, 68875, 126825, 147117, 193575, 206625, 211375, 245195, 322625, 634125, 735585, 967875, 1225975, 3677925, 6129875, 18389625]

約数ペア:

[(1, 18389625), (3, 6129875), (5, 3677925), (15, 1225975), (19, 967875), (25, 735585), (29, 634125), (57, 322625), (75, 245195), (87, 211375), (89, 206625), (95, 193575), (125, 147117), (145, 126825), (267, 68875), (285, 64525), (375, 49039), (435, 42275), (445, 41325), (475, 38715), (551, 33375), (725, 25365), (1335, 13775), (1425, 12905), (1653, 11125), (1691, 10875), (2175, 8455), (2225, 8265), (2375, 7743), (2581, 7125), (2755, 6675), (3625, 5073)]