19842060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 68602464

約数和(自身を除く): 48760404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 397, 420, 476, 490, 510, 588, 595, 714, 735, 794, 833, 980, 1020, 1190, 1191, 1428, 1470, 1588, 1666, 1785, 1985, 2380, 2382, 2499, 2779, 2940, 3332, 3570, 3970, 4165, 4764, 4998, 5558, 5955, 6749, 7140, 7940, 8330, 8337, 9996, 11116, 11910, 12495, 13498, 13895, 16660, 16674, 19453, 20247, 23820, 24990, 26996, 27790, 33348, 33745, 38906, 40494, 41685, 47243, 49980, 55580, 58359, 67490, 77812, 80988, 83370, 94486, 97265, 101235, 116718, 134980, 141729, 166740, 188972, 194530, 202470, 233436, 236215, 283458, 291795, 330701, 389060, 404940, 472430, 566916, 583590, 661402, 708645, 944860, 992103, 1167180, 1322804, 1417290, 1653505, 1984206, 2834580, 3307010, 3968412, 4960515, 6614020, 9921030, 19842060]

約数ペア:

[(1, 19842060), (2, 9921030), (3, 6614020), (4, 4960515), (5, 3968412), (6, 3307010), (7, 2834580), (10, 1984206), (12, 1653505), (14, 1417290), (15, 1322804), (17, 1167180), (20, 992103), (21, 944860), (28, 708645), (30, 661402), (34, 583590), (35, 566916), (42, 472430), (49, 404940), (51, 389060), (60, 330701), (68, 291795), (70, 283458), (84, 236215), (85, 233436), (98, 202470), (102, 194530), (105, 188972), (119, 166740), (140, 141729), (147, 134980), (170, 116718), (196, 101235), (204, 97265), (210, 94486), (238, 83370), (245, 80988), (255, 77812), (294, 67490), (340, 58359), (357, 55580), (397, 49980), (420, 47243), (476, 41685), (490, 40494), (510, 38906), (588, 33745), (595, 33348), (714, 27790), (735, 26996), (794, 24990), (833, 23820), (980, 20247), (1020, 19453), (1190, 16674), (1191, 16660), (1428, 13895), (1470, 13498), (1588, 12495), (1666, 11910), (1785, 11116), (1985, 9996), (2380, 8337), (2382, 8330), (2499, 7940), (2779, 7140), (2940, 6749), (3332, 5955), (3570, 5558), (3970, 4998), (4165, 4764)]