19927530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 60562944

約数和(自身を除く): 40635414

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 47, 63, 70, 90, 94, 105, 126, 141, 210, 235, 282, 315, 329, 423, 470, 630, 658, 673, 705, 846, 987, 1346, 1410, 1645, 1974, 2019, 2115, 2961, 3290, 3365, 4038, 4230, 4711, 4935, 5922, 6057, 6730, 9422, 9870, 10095, 12114, 14133, 14805, 20190, 23555, 28266, 29610, 30285, 31631, 42399, 47110, 60570, 63262, 70665, 84798, 94893, 141330, 158155, 189786, 211995, 221417, 284679, 316310, 423990, 442834, 474465, 569358, 664251, 948930, 1107085, 1328502, 1423395, 1992753, 2214170, 2846790, 3321255, 3985506, 6642510, 9963765, 19927530]

約数ペア:

[(1, 19927530), (2, 9963765), (3, 6642510), (5, 3985506), (6, 3321255), (7, 2846790), (9, 2214170), (10, 1992753), (14, 1423395), (15, 1328502), (18, 1107085), (21, 948930), (30, 664251), (35, 569358), (42, 474465), (45, 442834), (47, 423990), (63, 316310), (70, 284679), (90, 221417), (94, 211995), (105, 189786), (126, 158155), (141, 141330), (210, 94893), (235, 84798), (282, 70665), (315, 63262), (329, 60570), (423, 47110), (470, 42399), (630, 31631), (658, 30285), (673, 29610), (705, 28266), (846, 23555), (987, 20190), (1346, 14805), (1410, 14133), (1645, 12114), (1974, 10095), (2019, 9870), (2115, 9422), (2961, 6730), (3290, 6057), (3365, 5922), (4038, 4935), (4230, 4711)]