18640380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 57996288

約数和(自身を除く): 39355908

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 122, 132, 165, 183, 220, 244, 305, 330, 366, 463, 610, 660, 671, 732, 915, 926, 1220, 1342, 1389, 1830, 1852, 2013, 2315, 2684, 2778, 3355, 3660, 4026, 4630, 5093, 5556, 6710, 6945, 8052, 9260, 10065, 10186, 13420, 13890, 15279, 20130, 20372, 25465, 27780, 28243, 30558, 40260, 50930, 56486, 61116, 76395, 84729, 101860, 112972, 141215, 152790, 169458, 282430, 305580, 310673, 338916, 423645, 564860, 621346, 847290, 932019, 1242692, 1553365, 1694580, 1864038, 3106730, 3728076, 4660095, 6213460, 9320190, 18640380]

約数ペア:

[(1, 18640380), (2, 9320190), (3, 6213460), (4, 4660095), (5, 3728076), (6, 3106730), (10, 1864038), (11, 1694580), (12, 1553365), (15, 1242692), (20, 932019), (22, 847290), (30, 621346), (33, 564860), (44, 423645), (55, 338916), (60, 310673), (61, 305580), (66, 282430), (110, 169458), (122, 152790), (132, 141215), (165, 112972), (183, 101860), (220, 84729), (244, 76395), (305, 61116), (330, 56486), (366, 50930), (463, 40260), (610, 30558), (660, 28243), (671, 27780), (732, 25465), (915, 20372), (926, 20130), (1220, 15279), (1342, 13890), (1389, 13420), (1830, 10186), (1852, 10065), (2013, 9260), (2315, 8052), (2684, 6945), (2778, 6710), (3355, 5556), (3660, 5093), (4026, 4630)]