18834700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 44997120

約数和(自身を除く): 26162420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 380, 431, 437, 460, 475, 575, 862, 874, 950, 1150, 1724, 1748, 1900, 2155, 2185, 2300, 4310, 4370, 8189, 8620, 8740, 9913, 10775, 10925, 16378, 19826, 21550, 21850, 32756, 39652, 40945, 43100, 43700, 49565, 81890, 99130, 163780, 188347, 198260, 204725, 247825, 376694, 409450, 495650, 753388, 818900, 941735, 991300, 1883470, 3766940, 4708675, 9417350, 18834700]

約数ペア:

[(1, 18834700), (2, 9417350), (4, 4708675), (5, 3766940), (10, 1883470), (19, 991300), (20, 941735), (23, 818900), (25, 753388), (38, 495650), (46, 409450), (50, 376694), (76, 247825), (92, 204725), (95, 198260), (100, 188347), (115, 163780), (190, 99130), (230, 81890), (380, 49565), (431, 43700), (437, 43100), (460, 40945), (475, 39652), (575, 32756), (862, 21850), (874, 21550), (950, 19826), (1150, 16378), (1724, 10925), (1748, 10775), (1900, 9913), (2155, 8740), (2185, 8620), (2300, 8189), (4310, 4370)]