18972450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 61513920

約数和(自身を除く): 42541470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 150, 171, 175, 190, 210, 225, 266, 285, 315, 317, 342, 350, 399, 450, 475, 525, 570, 630, 634, 665, 798, 855, 950, 951, 1050, 1197, 1330, 1425, 1575, 1585, 1710, 1902, 1995, 2219, 2394, 2850, 2853, 3150, 3170, 3325, 3990, 4275, 4438, 4755, 5706, 5985, 6023, 6650, 6657, 7925, 8550, 9510, 9975, 11095, 11970, 12046, 13314, 14265, 15850, 18069, 19950, 19971, 22190, 23775, 28530, 29925, 30115, 33285, 36138, 39942, 42161, 47550, 54207, 55475, 59850, 60230, 66570, 71325, 84322, 90345, 99855, 108414, 110950, 126483, 142650, 150575, 166425, 180690, 199710, 210805, 252966, 271035, 301150, 332850, 379449, 421610, 451725, 499275, 542070, 632415, 758898, 903450, 998550, 1054025, 1264830, 1355175, 1897245, 2108050, 2710350, 3162075, 3794490, 6324150, 9486225, 18972450]

約数ペア:

[(1, 18972450), (2, 9486225), (3, 6324150), (5, 3794490), (6, 3162075), (7, 2710350), (9, 2108050), (10, 1897245), (14, 1355175), (15, 1264830), (18, 1054025), (19, 998550), (21, 903450), (25, 758898), (30, 632415), (35, 542070), (38, 499275), (42, 451725), (45, 421610), (50, 379449), (57, 332850), (63, 301150), (70, 271035), (75, 252966), (90, 210805), (95, 199710), (105, 180690), (114, 166425), (126, 150575), (133, 142650), (150, 126483), (171, 110950), (175, 108414), (190, 99855), (210, 90345), (225, 84322), (266, 71325), (285, 66570), (315, 60230), (317, 59850), (342, 55475), (350, 54207), (399, 47550), (450, 42161), (475, 39942), (525, 36138), (570, 33285), (630, 30115), (634, 29925), (665, 28530), (798, 23775), (855, 22190), (950, 19971), (951, 19950), (1050, 18069), (1197, 15850), (1330, 14265), (1425, 13314), (1575, 12046), (1585, 11970), (1710, 11095), (1902, 9975), (1995, 9510), (2219, 8550), (2394, 7925), (2850, 6657), (2853, 6650), (3150, 6023), (3170, 5985), (3325, 5706), (3990, 4755), (4275, 4438)]