18883650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 48760272

約数和(自身を除く): 29876622

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 131, 150, 155, 186, 262, 310, 393, 465, 655, 775, 786, 930, 961, 1310, 1550, 1922, 1965, 2325, 2883, 3275, 3930, 4061, 4650, 4805, 5766, 6550, 8122, 9610, 9825, 12183, 14415, 19650, 20305, 24025, 24366, 28830, 40610, 48050, 60915, 72075, 101525, 121830, 125891, 144150, 203050, 251782, 304575, 377673, 609150, 629455, 755346, 1258910, 1888365, 3147275, 3776730, 6294550, 9441825, 18883650]

約数ペア:

[(1, 18883650), (2, 9441825), (3, 6294550), (5, 3776730), (6, 3147275), (10, 1888365), (15, 1258910), (25, 755346), (30, 629455), (31, 609150), (50, 377673), (62, 304575), (75, 251782), (93, 203050), (131, 144150), (150, 125891), (155, 121830), (186, 101525), (262, 72075), (310, 60915), (393, 48050), (465, 40610), (655, 28830), (775, 24366), (786, 24025), (930, 20305), (961, 19650), (1310, 14415), (1550, 12183), (1922, 9825), (1965, 9610), (2325, 8122), (2883, 6550), (3275, 5766), (3930, 4805), (4061, 4650)]