19815480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2933

約数の個数: 96

約数和(自身を含む): 67813200

約数和(自身を除く): 47997720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2897, 3420, 5794, 6840, 8691, 11588, 14485, 17382, 23176, 26073, 28970, 34764, 43455, 52146, 55043, 57940, 69528, 86910, 104292, 110086, 115880, 130365, 165129, 173820, 208584, 220172, 260730, 275215, 330258, 347640, 440344, 495387, 521460, 550430, 660516, 825645, 990774, 1042920, 1100860, 1321032, 1651290, 1981548, 2201720, 2476935, 3302580, 3963096, 4953870, 6605160, 9907740, 19815480]

約数ペア:

[(1, 19815480), (2, 9907740), (3, 6605160), (4, 4953870), (5, 3963096), (6, 3302580), (8, 2476935), (9, 2201720), (10, 1981548), (12, 1651290), (15, 1321032), (18, 1100860), (19, 1042920), (20, 990774), (24, 825645), (30, 660516), (36, 550430), (38, 521460), (40, 495387), (45, 440344), (57, 347640), (60, 330258), (72, 275215), (76, 260730), (90, 220172), (95, 208584), (114, 173820), (120, 165129), (152, 130365), (171, 115880), (180, 110086), (190, 104292), (228, 86910), (285, 69528), (342, 57940), (360, 55043), (380, 52146), (456, 43455), (570, 34764), (684, 28970), (760, 26073), (855, 23176), (1140, 17382), (1368, 14485), (1710, 11588), (2280, 8691), (2897, 6840), (3420, 5794)]