18038900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 108

約数和(自身を含む): 46080384

約数和(自身を除く): 28041484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 31, 44, 46, 50, 55, 62, 92, 100, 110, 115, 124, 155, 220, 230, 253, 275, 310, 341, 460, 506, 529, 550, 575, 620, 682, 713, 775, 1012, 1058, 1100, 1150, 1265, 1364, 1426, 1550, 1705, 2116, 2300, 2530, 2645, 2852, 3100, 3410, 3565, 5060, 5290, 5819, 6325, 6820, 7130, 7843, 8525, 10580, 11638, 12650, 13225, 14260, 15686, 16399, 17050, 17825, 23276, 25300, 26450, 29095, 31372, 32798, 34100, 35650, 39215, 52900, 58190, 65596, 71300, 78430, 81995, 116380, 145475, 156860, 163990, 180389, 196075, 290950, 327980, 360778, 392150, 409975, 581900, 721556, 784300, 819950, 901945, 1639900, 1803890, 3607780, 4509725, 9019450, 18038900]

約数ペア:

[(1, 18038900), (2, 9019450), (4, 4509725), (5, 3607780), (10, 1803890), (11, 1639900), (20, 901945), (22, 819950), (23, 784300), (25, 721556), (31, 581900), (44, 409975), (46, 392150), (50, 360778), (55, 327980), (62, 290950), (92, 196075), (100, 180389), (110, 163990), (115, 156860), (124, 145475), (155, 116380), (220, 81995), (230, 78430), (253, 71300), (275, 65596), (310, 58190), (341, 52900), (460, 39215), (506, 35650), (529, 34100), (550, 32798), (575, 31372), (620, 29095), (682, 26450), (713, 25300), (775, 23276), (1012, 17825), (1058, 17050), (1100, 16399), (1150, 15686), (1265, 14260), (1364, 13225), (1426, 12650), (1550, 11638), (1705, 10580), (2116, 8525), (2300, 7843), (2530, 7130), (2645, 6820), (2852, 6325), (3100, 5819), (3410, 5290), (3565, 5060)]